[llvm-branch-commits] [llvm] [AMDGPU] Extending wave reduction intrinsics for `i64` types - 2 (PR #151309)

via llvm-branch-commits llvm-branch-commits at lists.llvm.org
Wed Aug 20 02:43:34 PDT 2025


https://github.com/easyonaadit updated https://github.com/llvm/llvm-project/pull/151309

>From 79b9c33304bfbcb6a54e39150adefca9fa6c8f5b Mon Sep 17 00:00:00 2001
From: Aaditya <Aaditya.AlokDeshpande at amd.com>
Date: Sat, 19 Jul 2025 12:48:18 +0530
Subject: [PATCH 1/4] [AMDGPU] Extending wave reduction intrinsics for `i64`
 types - 2

Supporting Arithemtic Operations: `add`, `sub`
---
 llvm/lib/Target/AMDGPU/SIISelLowering.cpp     |  155 +-
 llvm/lib/Target/AMDGPU/SIInstructions.td      |    2 +
 .../CodeGen/AMDGPU/llvm.amdgcn.reduce.add.ll  | 1356 +++++++++++++
 .../CodeGen/AMDGPU/llvm.amdgcn.reduce.sub.ll  | 1711 ++++++++++++++++-
 4 files changed, 3151 insertions(+), 73 deletions(-)

diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
index 3f40203fa3fe1..fb33a7d98b968 100644
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -5203,7 +5203,9 @@ static uint32_t getIdentityValueFor32BitWaveReduction(unsigned Opc) {
   case AMDGPU::S_MAX_I32:
     return std::numeric_limits<int32_t>::min();
   case AMDGPU::S_ADD_I32:
+  case AMDGPU::S_ADD_U64_PSEUDO:
   case AMDGPU::S_SUB_I32:
+  case AMDGPU::S_SUB_U64_PSEUDO:
   case AMDGPU::S_OR_B32:
   case AMDGPU::S_XOR_B32:
     return std::numeric_limits<uint32_t>::min();
@@ -5269,11 +5271,14 @@ static MachineBasicBlock *lowerWaveReduce(MachineInstr &MI,
     }
     case AMDGPU::S_XOR_B32:
     case AMDGPU::S_ADD_I32:
-    case AMDGPU::S_SUB_I32: {
+    case AMDGPU::S_ADD_U64_PSEUDO:
+    case AMDGPU::S_SUB_I32:
+    case AMDGPU::S_SUB_U64_PSEUDO: {
       const TargetRegisterClass *WaveMaskRegClass = TRI->getWaveMaskRegClass();
       const TargetRegisterClass *DstRegClass = MRI.getRegClass(DstReg);
       Register ExecMask = MRI.createVirtualRegister(WaveMaskRegClass);
-      Register ActiveLanes = MRI.createVirtualRegister(DstRegClass);
+      Register ActiveLanes =
+          MRI.createVirtualRegister(&AMDGPU::SReg_32RegClass);
 
       bool IsWave32 = ST.isWave32();
       unsigned MovOpc = IsWave32 ? AMDGPU::S_MOV_B32 : AMDGPU::S_MOV_B64;
@@ -5281,39 +5286,39 @@ static MachineBasicBlock *lowerWaveReduce(MachineInstr &MI,
       unsigned CountReg =
           IsWave32 ? AMDGPU::S_BCNT1_I32_B32 : AMDGPU::S_BCNT1_I32_B64;
 
-      auto Exec =
           BuildMI(BB, MI, DL, TII->get(MovOpc), ExecMask).addReg(ExecReg);
 
-      auto NewAccumulator = BuildMI(BB, MI, DL, TII->get(CountReg), ActiveLanes)
-                                .addReg(Exec->getOperand(0).getReg());
+          auto NewAccumulator =
+              BuildMI(BB, MI, DL, TII->get(CountReg), ActiveLanes)
+                  .addReg(ExecMask);
+
+          switch (Opc) {
+          case AMDGPU::S_XOR_B32: {
+            // Performing an XOR operation on a uniform value
+            // depends on the parity of the number of active lanes.
+            // For even parity, the result will be 0, for odd
+            // parity the result will be the same as the input value.
+            Register ParityRegister =
+                MRI.createVirtualRegister(&AMDGPU::SReg_32RegClass);
 
-      switch (Opc) {
-      case AMDGPU::S_XOR_B32: {
-        // Performing an XOR operation on a uniform value
-        // depends on the parity of the number of active lanes.
-        // For even parity, the result will be 0, for odd
-        // parity the result will be the same as the input value.
-        Register ParityRegister = MRI.createVirtualRegister(DstRegClass);
-
-        auto ParityReg =
             BuildMI(BB, MI, DL, TII->get(AMDGPU::S_AND_B32), ParityRegister)
                 .addReg(NewAccumulator->getOperand(0).getReg())
-                .addImm(1);
-        BuildMI(BB, MI, DL, TII->get(AMDGPU::S_MUL_I32), DstReg)
-            .addReg(SrcReg)
-            .addReg(ParityReg->getOperand(0).getReg());
-        break;
-      }
+                .addImm(1)
+                .setOperandDead(3); // Dead scc
+            BuildMI(BB, MI, DL, TII->get(AMDGPU::S_MUL_I32), DstReg)
+                .addReg(SrcReg)
+                .addReg(ParityRegister);
+            break;
+          }
       case AMDGPU::S_SUB_I32: {
         Register NegatedVal = MRI.createVirtualRegister(DstRegClass);
 
         // Take the negation of the source operand.
-        auto InvertedValReg =
-            BuildMI(BB, MI, DL, TII->get(AMDGPU::S_MUL_I32), NegatedVal)
-                .addImm(-1)
-                .addReg(SrcReg);
+        BuildMI(BB, MI, DL, TII->get(AMDGPU::S_SUB_I32), NegatedVal)
+            .addImm(0)
+            .addReg(SrcReg);
         BuildMI(BB, MI, DL, TII->get(AMDGPU::S_MUL_I32), DstReg)
-            .addReg(InvertedValReg->getOperand(0).getReg())
+            .addReg(NegatedVal)
             .addReg(NewAccumulator->getOperand(0).getReg());
         break;
       }
@@ -5323,6 +5328,74 @@ static MachineBasicBlock *lowerWaveReduce(MachineInstr &MI,
             .addReg(NewAccumulator->getOperand(0).getReg());
         break;
       }
+      case AMDGPU::S_ADD_U64_PSEUDO:
+      case AMDGPU::S_SUB_U64_PSEUDO: {
+        Register DestSub0 = MRI.createVirtualRegister(&AMDGPU::SReg_32RegClass);
+        Register DestSub1 = MRI.createVirtualRegister(&AMDGPU::SReg_32RegClass);
+        Register Op1H_Op0L_Reg =
+            MRI.createVirtualRegister(&AMDGPU::SReg_32RegClass);
+        Register Op1L_Op0H_Reg =
+            MRI.createVirtualRegister(&AMDGPU::SReg_32RegClass);
+        Register CarryReg = MRI.createVirtualRegister(&AMDGPU::SReg_32RegClass);
+        Register AddReg = MRI.createVirtualRegister(&AMDGPU::SReg_32RegClass);
+        Register NegatedValLo =
+            MRI.createVirtualRegister(&AMDGPU::SReg_32RegClass);
+        Register NegatedValHi =
+            MRI.createVirtualRegister(&AMDGPU::SReg_32RegClass);
+
+        const TargetRegisterClass *Src1RC = MRI.getRegClass(SrcReg);
+        const TargetRegisterClass *Src1SubRC =
+            TRI->getSubRegisterClass(Src1RC, AMDGPU::sub0);
+
+        MachineOperand Op1L = TII->buildExtractSubRegOrImm(
+            MI, MRI, MI.getOperand(1), Src1RC, AMDGPU::sub0, Src1SubRC);
+        MachineOperand Op1H = TII->buildExtractSubRegOrImm(
+            MI, MRI, MI.getOperand(1), Src1RC, AMDGPU::sub1, Src1SubRC);
+
+        if (Opc == AMDGPU::S_SUB_U64_PSEUDO) {
+          BuildMI(BB, MI, DL, TII->get(AMDGPU::S_SUB_I32), NegatedValLo)
+              .addImm(0)
+              .addReg(NewAccumulator->getOperand(0).getReg());
+          BuildMI(BB, MI, DL, TII->get(AMDGPU::S_ASHR_I32), NegatedValHi)
+              .addReg(NegatedValLo)
+              .addImm(31)
+              .setOperandDead(3); // Dead scc
+          BuildMI(BB, MI, DL, TII->get(AMDGPU::S_MUL_I32), Op1L_Op0H_Reg)
+              .add(Op1L)
+              .addReg(NegatedValHi);
+        }
+        Register LowOpcode = Opc == AMDGPU::S_SUB_U64_PSEUDO
+                                 ? NegatedValLo
+                                 : NewAccumulator->getOperand(0).getReg();
+        BuildMI(BB, MI, DL, TII->get(AMDGPU::S_MUL_I32), DestSub0)
+            .add(Op1L)
+            .addReg(LowOpcode);
+        BuildMI(BB, MI, DL, TII->get(AMDGPU::S_MUL_HI_U32), CarryReg)
+            .add(Op1L)
+            .addReg(LowOpcode);
+        BuildMI(BB, MI, DL, TII->get(AMDGPU::S_MUL_I32), Op1H_Op0L_Reg)
+            .add(Op1H)
+            .addReg(LowOpcode);
+
+        Register HiVal = Opc == AMDGPU::S_SUB_U64_PSEUDO ? AddReg : DestSub1;
+        BuildMI(BB, MI, DL, TII->get(AMDGPU::S_ADD_U32), HiVal)
+            .addReg(CarryReg)
+            .addReg(Op1H_Op0L_Reg)
+            .setOperandDead(3); // Dead scc
+
+        if (Opc == AMDGPU::S_SUB_U64_PSEUDO) {
+          BuildMI(BB, MI, DL, TII->get(AMDGPU::S_ADD_U32), DestSub1)
+              .addReg(HiVal)
+              .addReg(Op1L_Op0H_Reg)
+              .setOperandDead(3); // Dead scc
+        }
+        BuildMI(BB, MI, DL, TII->get(TargetOpcode::REG_SEQUENCE), DstReg)
+            .addReg(DestSub0)
+            .addImm(AMDGPU::sub0)
+            .addReg(DestSub1)
+            .addImm(AMDGPU::sub1);
+        break;
+      }
       }
       RetBB = &BB;
     }
@@ -5475,6 +5548,34 @@ static MachineBasicBlock *lowerWaveReduce(MachineInstr &MI,
                              .addReg(Accumulator->getOperand(0).getReg());
         break;
       }
+      case ::AMDGPU::S_ADD_U64_PSEUDO:
+      case ::AMDGPU::S_SUB_U64_PSEUDO: {
+        unsigned newOpc1 = Opc == AMDGPU::S_ADD_U64_PSEUDO ? AMDGPU::S_ADD_U32
+                                                           : AMDGPU::S_SUB_U32;
+        unsigned newOpc2 = Opc == AMDGPU::S_ADD_U64_PSEUDO ? AMDGPU::S_ADDC_U32
+                                                           : AMDGPU::S_SUBB_U32;
+        Register DestLo = MRI.createVirtualRegister(&AMDGPU::SReg_32RegClass);
+        Register DestHi = MRI.createVirtualRegister(&AMDGPU::SReg_32RegClass);
+        MachineOperand Accumlo = TII->buildExtractSubRegOrImm(
+            MI, MRI, Accumulator->getOperand(0), DstRegClass, AMDGPU::sub0,
+            &AMDGPU::SReg_32RegClass);
+        MachineOperand Accumhi = TII->buildExtractSubRegOrImm(
+            MI, MRI, Accumulator->getOperand(0), DstRegClass, AMDGPU::sub1,
+            &AMDGPU::SReg_32RegClass);
+        BuildMI(*ComputeLoop, I, DL, TII->get(newOpc1), DestLo)
+            .add(Accumlo)
+            .addReg(LaneValueLo->getOperand(0).getReg());
+        BuildMI(*ComputeLoop, I, DL, TII->get(newOpc2), DestHi)
+            .add(Accumhi)
+            .addReg(LaneValueHi->getOperand(0).getReg());
+        NewAccumulator = BuildMI(*ComputeLoop, I, DL,
+                                 TII->get(TargetOpcode::REG_SEQUENCE), DstReg)
+                             .addReg(DestLo)
+                             .addImm(AMDGPU::sub0)
+                             .addReg(DestHi)
+                             .addImm(AMDGPU::sub1);
+        break;
+      }
       }
     }
     // Manipulate the iterator to get the next active lane
@@ -5530,8 +5631,12 @@ SITargetLowering::EmitInstrWithCustomInserter(MachineInstr &MI,
     return lowerWaveReduce(MI, *BB, *getSubtarget(), AMDGPU::V_CMP_GT_I64_e64);
   case AMDGPU::WAVE_REDUCE_ADD_PSEUDO_I32:
     return lowerWaveReduce(MI, *BB, *getSubtarget(), AMDGPU::S_ADD_I32);
+  case AMDGPU::WAVE_REDUCE_ADD_PSEUDO_U64:
+    return lowerWaveReduce(MI, *BB, *getSubtarget(), AMDGPU::S_ADD_U64_PSEUDO);
   case AMDGPU::WAVE_REDUCE_SUB_PSEUDO_I32:
     return lowerWaveReduce(MI, *BB, *getSubtarget(), AMDGPU::S_SUB_I32);
+  case AMDGPU::WAVE_REDUCE_SUB_PSEUDO_U64:
+    return lowerWaveReduce(MI, *BB, *getSubtarget(), AMDGPU::S_SUB_U64_PSEUDO);
   case AMDGPU::WAVE_REDUCE_AND_PSEUDO_B32:
     return lowerWaveReduce(MI, *BB, *getSubtarget(), AMDGPU::S_AND_B32);
   case AMDGPU::WAVE_REDUCE_OR_PSEUDO_B32:
diff --git a/llvm/lib/Target/AMDGPU/SIInstructions.td b/llvm/lib/Target/AMDGPU/SIInstructions.td
index a92fe02edd1ec..cc945f31a22ac 100644
--- a/llvm/lib/Target/AMDGPU/SIInstructions.td
+++ b/llvm/lib/Target/AMDGPU/SIInstructions.td
@@ -345,6 +345,8 @@ defvar Operations = [
   WaveReduceOp<"min", "I64", i64, SGPR_64, VSrc_b64>,
   WaveReduceOp<"umax", "U64", i64, SGPR_64, VSrc_b64>,
   WaveReduceOp<"max", "I64", i64, SGPR_64, VSrc_b64>,
+  WaveReduceOp<"add", "U64", i64, SGPR_64, VSrc_b64>,
+  WaveReduceOp<"sub", "U64", i64, SGPR_64, VSrc_b64>,
 ];
 
 foreach Op = Operations in {
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.add.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.add.ll
index d2ca1d8136043..b6af8b4bb798d 100644
--- a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.add.ll
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.add.ll
@@ -1226,6 +1226,1362 @@ endif:
   store i32 %combine, ptr addrspace(1) %out
   ret void
 }
+
+define amdgpu_kernel void @uniform_value_i64(ptr addrspace(1) %out, i64 %in) {
+; GFX8DAGISEL-LABEL: uniform_value_i64:
+; GFX8DAGISEL:       ; %bb.0: ; %entry
+; GFX8DAGISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX8DAGISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX8DAGISEL-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX8DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v0, s0
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v1, s1
+; GFX8DAGISEL-NEXT:    s_mul_i32 s0, s2, s4
+; GFX8DAGISEL-NEXT:    s_mul_hi_u32 s1, s2, s4
+; GFX8DAGISEL-NEXT:    s_mul_i32 s2, s3, s4
+; GFX8DAGISEL-NEXT:    s_add_u32 s1, s1, s2
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v3, s1
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v2, s0
+; GFX8DAGISEL-NEXT:    flat_store_dwordx2 v[0:1], v[2:3]
+; GFX8DAGISEL-NEXT:    s_endpgm
+;
+; GFX8GISEL-LABEL: uniform_value_i64:
+; GFX8GISEL:       ; %bb.0: ; %entry
+; GFX8GISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX8GISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX8GISEL-NEXT:    s_bcnt1_i32_b64 s5, s[4:5]
+; GFX8GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX8GISEL-NEXT:    s_mul_i32 s4, s2, s5
+; GFX8GISEL-NEXT:    s_mul_hi_u32 s2, s2, s5
+; GFX8GISEL-NEXT:    s_mul_i32 s3, s3, s5
+; GFX8GISEL-NEXT:    s_add_u32 s5, s2, s3
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v0, s4
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v3, s1
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v1, s5
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v2, s0
+; GFX8GISEL-NEXT:    flat_store_dwordx2 v[2:3], v[0:1]
+; GFX8GISEL-NEXT:    s_endpgm
+;
+; GFX9DAGISEL-LABEL: uniform_value_i64:
+; GFX9DAGISEL:       ; %bb.0: ; %entry
+; GFX9DAGISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX9DAGISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX9DAGISEL-NEXT:    s_bcnt1_i32_b64 s5, s[4:5]
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX9DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9DAGISEL-NEXT:    s_mul_i32 s4, s2, s5
+; GFX9DAGISEL-NEXT:    s_mul_hi_u32 s2, s2, s5
+; GFX9DAGISEL-NEXT:    s_mul_i32 s3, s3, s5
+; GFX9DAGISEL-NEXT:    s_add_u32 s5, s2, s3
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v0, s4
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v1, s5
+; GFX9DAGISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX9DAGISEL-NEXT:    s_endpgm
+;
+; GFX9GISEL-LABEL: uniform_value_i64:
+; GFX9GISEL:       ; %bb.0: ; %entry
+; GFX9GISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX9GISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX9GISEL-NEXT:    s_bcnt1_i32_b64 s5, s[4:5]
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX9GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9GISEL-NEXT:    s_mul_i32 s4, s2, s5
+; GFX9GISEL-NEXT:    s_mul_hi_u32 s2, s2, s5
+; GFX9GISEL-NEXT:    s_mul_i32 s3, s3, s5
+; GFX9GISEL-NEXT:    s_add_u32 s5, s2, s3
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v0, s4
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v1, s5
+; GFX9GISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX9GISEL-NEXT:    s_endpgm
+;
+; GFX1064DAGISEL-LABEL: uniform_value_i64:
+; GFX1064DAGISEL:       ; %bb.0: ; %entry
+; GFX1064DAGISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX1064DAGISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1064DAGISEL-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX1064DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1064DAGISEL-NEXT:    s_mul_hi_u32 s5, s2, s4
+; GFX1064DAGISEL-NEXT:    s_mul_i32 s3, s3, s4
+; GFX1064DAGISEL-NEXT:    s_mul_i32 s2, s2, s4
+; GFX1064DAGISEL-NEXT:    s_add_u32 s3, s5, s3
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1064DAGISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1064DAGISEL-NEXT:    s_endpgm
+;
+; GFX1064GISEL-LABEL: uniform_value_i64:
+; GFX1064GISEL:       ; %bb.0: ; %entry
+; GFX1064GISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX1064GISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1064GISEL-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX1064GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1064GISEL-NEXT:    s_mul_hi_u32 s5, s2, s4
+; GFX1064GISEL-NEXT:    s_mul_i32 s3, s3, s4
+; GFX1064GISEL-NEXT:    s_mul_i32 s2, s2, s4
+; GFX1064GISEL-NEXT:    s_add_u32 s3, s5, s3
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1064GISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1064GISEL-NEXT:    s_endpgm
+;
+; GFX1032DAGISEL-LABEL: uniform_value_i64:
+; GFX1032DAGISEL:       ; %bb.0: ; %entry
+; GFX1032DAGISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX1032DAGISEL-NEXT:    s_mov_b32 s4, exec_lo
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1032DAGISEL-NEXT:    s_bcnt1_i32_b32 s4, s4
+; GFX1032DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1032DAGISEL-NEXT:    s_mul_hi_u32 s5, s2, s4
+; GFX1032DAGISEL-NEXT:    s_mul_i32 s3, s3, s4
+; GFX1032DAGISEL-NEXT:    s_mul_i32 s2, s2, s4
+; GFX1032DAGISEL-NEXT:    s_add_u32 s3, s5, s3
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1032DAGISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1032DAGISEL-NEXT:    s_endpgm
+;
+; GFX1032GISEL-LABEL: uniform_value_i64:
+; GFX1032GISEL:       ; %bb.0: ; %entry
+; GFX1032GISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX1032GISEL-NEXT:    s_mov_b32 s4, exec_lo
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1032GISEL-NEXT:    s_bcnt1_i32_b32 s4, s4
+; GFX1032GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1032GISEL-NEXT:    s_mul_hi_u32 s5, s2, s4
+; GFX1032GISEL-NEXT:    s_mul_i32 s3, s3, s4
+; GFX1032GISEL-NEXT:    s_mul_i32 s2, s2, s4
+; GFX1032GISEL-NEXT:    s_add_u32 s3, s5, s3
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1032GISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1032GISEL-NEXT:    s_endpgm
+;
+; GFX1164DAGISEL-LABEL: uniform_value_i64:
+; GFX1164DAGISEL:       ; %bb.0: ; %entry
+; GFX1164DAGISEL-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX1164DAGISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1164DAGISEL-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX1164DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1164DAGISEL-NEXT:    s_mul_hi_u32 s5, s2, s4
+; GFX1164DAGISEL-NEXT:    s_mul_i32 s3, s3, s4
+; GFX1164DAGISEL-NEXT:    s_mul_i32 s2, s2, s4
+; GFX1164DAGISEL-NEXT:    s_add_u32 s3, s5, s3
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1164DAGISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1164DAGISEL-NEXT:    s_endpgm
+;
+; GFX1164GISEL-LABEL: uniform_value_i64:
+; GFX1164GISEL:       ; %bb.0: ; %entry
+; GFX1164GISEL-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX1164GISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1164GISEL-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX1164GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1164GISEL-NEXT:    s_mul_hi_u32 s5, s2, s4
+; GFX1164GISEL-NEXT:    s_mul_i32 s3, s3, s4
+; GFX1164GISEL-NEXT:    s_mul_i32 s2, s2, s4
+; GFX1164GISEL-NEXT:    s_add_u32 s3, s5, s3
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1164GISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1164GISEL-NEXT:    s_endpgm
+;
+; GFX1132DAGISEL-LABEL: uniform_value_i64:
+; GFX1132DAGISEL:       ; %bb.0: ; %entry
+; GFX1132DAGISEL-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX1132DAGISEL-NEXT:    s_mov_b32 s4, exec_lo
+; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1132DAGISEL-NEXT:    s_bcnt1_i32_b32 s4, s4
+; GFX1132DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1132DAGISEL-NEXT:    s_mul_hi_u32 s5, s2, s4
+; GFX1132DAGISEL-NEXT:    s_mul_i32 s3, s3, s4
+; GFX1132DAGISEL-NEXT:    s_mul_i32 s2, s2, s4
+; GFX1132DAGISEL-NEXT:    s_add_u32 s3, s5, s3
+; GFX1132DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1132DAGISEL-NEXT:    v_dual_mov_b32 v2, 0 :: v_dual_mov_b32 v1, s3
+; GFX1132DAGISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1132DAGISEL-NEXT:    s_endpgm
+;
+; GFX1132GISEL-LABEL: uniform_value_i64:
+; GFX1132GISEL:       ; %bb.0: ; %entry
+; GFX1132GISEL-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX1132GISEL-NEXT:    s_mov_b32 s4, exec_lo
+; GFX1132GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1132GISEL-NEXT:    s_bcnt1_i32_b32 s4, s4
+; GFX1132GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1132GISEL-NEXT:    s_mul_hi_u32 s5, s2, s4
+; GFX1132GISEL-NEXT:    s_mul_i32 s3, s3, s4
+; GFX1132GISEL-NEXT:    s_mul_i32 s2, s2, s4
+; GFX1132GISEL-NEXT:    s_add_u32 s3, s5, s3
+; GFX1132GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1132GISEL-NEXT:    v_dual_mov_b32 v0, s2 :: v_dual_mov_b32 v1, s3
+; GFX1132GISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1132GISEL-NEXT:    s_endpgm
+entry:
+  %result = call i64 @llvm.amdgcn.wave.reduce.add.i64(i64 %in, i32 1)
+  store i64 %result, ptr addrspace(1) %out
+  ret void
+}
+
+define amdgpu_kernel void @const_value_i64(ptr addrspace(1) %out) {
+; GFX8DAGISEL-LABEL: const_value_i64:
+; GFX8DAGISEL:       ; %bb.0: ; %entry
+; GFX8DAGISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX8DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX8DAGISEL-NEXT:    s_bcnt1_i32_b64 s3, s[2:3]
+; GFX8DAGISEL-NEXT:    s_mul_i32 s2, s3, 0x7b
+; GFX8DAGISEL-NEXT:    s_mul_hi_u32 s4, 0x7b, s3
+; GFX8DAGISEL-NEXT:    s_mul_i32 s3, s3, 0
+; GFX8DAGISEL-NEXT:    s_add_u32 s3, s4, s3
+; GFX8DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v0, s0
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v2, s2
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v1, s1
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v3, s3
+; GFX8DAGISEL-NEXT:    flat_store_dwordx2 v[0:1], v[2:3]
+; GFX8DAGISEL-NEXT:    s_endpgm
+;
+; GFX8GISEL-LABEL: const_value_i64:
+; GFX8GISEL:       ; %bb.0: ; %entry
+; GFX8GISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX8GISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX8GISEL-NEXT:    s_bcnt1_i32_b64 s3, s[2:3]
+; GFX8GISEL-NEXT:    s_mul_i32 s2, s3, 0x7b
+; GFX8GISEL-NEXT:    s_mul_hi_u32 s4, 0x7b, s3
+; GFX8GISEL-NEXT:    s_mul_i32 s3, s3, 0
+; GFX8GISEL-NEXT:    s_add_u32 s3, s4, s3
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX8GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v3, s1
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v2, s0
+; GFX8GISEL-NEXT:    flat_store_dwordx2 v[2:3], v[0:1]
+; GFX8GISEL-NEXT:    s_endpgm
+;
+; GFX9DAGISEL-LABEL: const_value_i64:
+; GFX9DAGISEL:       ; %bb.0: ; %entry
+; GFX9DAGISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX9DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX9DAGISEL-NEXT:    s_bcnt1_i32_b64 s3, s[2:3]
+; GFX9DAGISEL-NEXT:    s_mul_i32 s2, s3, 0x7b
+; GFX9DAGISEL-NEXT:    s_mul_hi_u32 s4, 0x7b, s3
+; GFX9DAGISEL-NEXT:    s_mul_i32 s3, s3, 0
+; GFX9DAGISEL-NEXT:    s_add_u32 s3, s4, s3
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX9DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9DAGISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX9DAGISEL-NEXT:    s_endpgm
+;
+; GFX9GISEL-LABEL: const_value_i64:
+; GFX9GISEL:       ; %bb.0: ; %entry
+; GFX9GISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX9GISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX9GISEL-NEXT:    s_bcnt1_i32_b64 s3, s[2:3]
+; GFX9GISEL-NEXT:    s_mul_i32 s2, s3, 0x7b
+; GFX9GISEL-NEXT:    s_mul_hi_u32 s4, 0x7b, s3
+; GFX9GISEL-NEXT:    s_mul_i32 s3, s3, 0
+; GFX9GISEL-NEXT:    s_add_u32 s3, s4, s3
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX9GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9GISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX9GISEL-NEXT:    s_endpgm
+;
+; GFX1064DAGISEL-LABEL: const_value_i64:
+; GFX1064DAGISEL:       ; %bb.0: ; %entry
+; GFX1064DAGISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX1064DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1064DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX1064DAGISEL-NEXT:    s_mul_hi_u32 s3, 0x7b, s2
+; GFX1064DAGISEL-NEXT:    s_mul_i32 s4, s2, 0
+; GFX1064DAGISEL-NEXT:    s_mulk_i32 s2, 0x7b
+; GFX1064DAGISEL-NEXT:    s_add_u32 s3, s3, s4
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1064DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1064DAGISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1064DAGISEL-NEXT:    s_endpgm
+;
+; GFX1064GISEL-LABEL: const_value_i64:
+; GFX1064GISEL:       ; %bb.0: ; %entry
+; GFX1064GISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX1064GISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1064GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX1064GISEL-NEXT:    s_mul_hi_u32 s3, 0x7b, s2
+; GFX1064GISEL-NEXT:    s_mul_i32 s4, s2, 0
+; GFX1064GISEL-NEXT:    s_mulk_i32 s2, 0x7b
+; GFX1064GISEL-NEXT:    s_add_u32 s3, s3, s4
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1064GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1064GISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1064GISEL-NEXT:    s_endpgm
+;
+; GFX1032DAGISEL-LABEL: const_value_i64:
+; GFX1032DAGISEL:       ; %bb.0: ; %entry
+; GFX1032DAGISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX1032DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1032DAGISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX1032DAGISEL-NEXT:    s_mul_hi_u32 s3, 0x7b, s2
+; GFX1032DAGISEL-NEXT:    s_mul_i32 s4, s2, 0
+; GFX1032DAGISEL-NEXT:    s_mulk_i32 s2, 0x7b
+; GFX1032DAGISEL-NEXT:    s_add_u32 s3, s3, s4
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1032DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1032DAGISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1032DAGISEL-NEXT:    s_endpgm
+;
+; GFX1032GISEL-LABEL: const_value_i64:
+; GFX1032GISEL:       ; %bb.0: ; %entry
+; GFX1032GISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX1032GISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1032GISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX1032GISEL-NEXT:    s_mul_hi_u32 s3, 0x7b, s2
+; GFX1032GISEL-NEXT:    s_mul_i32 s4, s2, 0
+; GFX1032GISEL-NEXT:    s_mulk_i32 s2, 0x7b
+; GFX1032GISEL-NEXT:    s_add_u32 s3, s3, s4
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1032GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1032GISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1032GISEL-NEXT:    s_endpgm
+;
+; GFX1164DAGISEL-LABEL: const_value_i64:
+; GFX1164DAGISEL:       ; %bb.0: ; %entry
+; GFX1164DAGISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX1164DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1164DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX1164DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1164DAGISEL-NEXT:    s_mul_hi_u32 s3, 0x7b, s2
+; GFX1164DAGISEL-NEXT:    s_mul_i32 s4, s2, 0
+; GFX1164DAGISEL-NEXT:    s_mulk_i32 s2, 0x7b
+; GFX1164DAGISEL-NEXT:    s_add_u32 s3, s3, s4
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1164DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1164DAGISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1164DAGISEL-NEXT:    s_endpgm
+;
+; GFX1164GISEL-LABEL: const_value_i64:
+; GFX1164GISEL:       ; %bb.0: ; %entry
+; GFX1164GISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX1164GISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1164GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX1164GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1164GISEL-NEXT:    s_mul_hi_u32 s3, 0x7b, s2
+; GFX1164GISEL-NEXT:    s_mul_i32 s4, s2, 0
+; GFX1164GISEL-NEXT:    s_mulk_i32 s2, 0x7b
+; GFX1164GISEL-NEXT:    s_add_u32 s3, s3, s4
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1164GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1164GISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1164GISEL-NEXT:    s_endpgm
+;
+; GFX1132DAGISEL-LABEL: const_value_i64:
+; GFX1132DAGISEL:       ; %bb.0: ; %entry
+; GFX1132DAGISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX1132DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1132DAGISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX1132DAGISEL-NEXT:    s_mul_hi_u32 s3, 0x7b, s2
+; GFX1132DAGISEL-NEXT:    s_mul_i32 s4, s2, 0
+; GFX1132DAGISEL-NEXT:    s_mulk_i32 s2, 0x7b
+; GFX1132DAGISEL-NEXT:    s_add_u32 s3, s3, s4
+; GFX1132DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1132DAGISEL-NEXT:    v_dual_mov_b32 v2, 0 :: v_dual_mov_b32 v1, s3
+; GFX1132DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1132DAGISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1132DAGISEL-NEXT:    s_endpgm
+;
+; GFX1132GISEL-LABEL: const_value_i64:
+; GFX1132GISEL:       ; %bb.0: ; %entry
+; GFX1132GISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX1132GISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX1132GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1132GISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX1132GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_3) | instid1(SALU_CYCLE_1)
+; GFX1132GISEL-NEXT:    s_mul_hi_u32 s3, 0x7b, s2
+; GFX1132GISEL-NEXT:    s_mul_i32 s4, s2, 0
+; GFX1132GISEL-NEXT:    s_mulk_i32 s2, 0x7b
+; GFX1132GISEL-NEXT:    s_add_u32 s3, s3, s4
+; GFX1132GISEL-NEXT:    v_dual_mov_b32 v0, s2 :: v_dual_mov_b32 v1, s3
+; GFX1132GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1132GISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1132GISEL-NEXT:    s_endpgm
+entry:
+  %result = call i64 @llvm.amdgcn.wave.reduce.add.i64(i64 123, i32 1)
+  store i64 %result, ptr addrspace(1) %out
+  ret void
+}
+
+define amdgpu_kernel void @poison_value_i64(ptr addrspace(1) %out, i64 %in) {
+; GFX8DAGISEL-LABEL: poison_value_i64:
+; GFX8DAGISEL:       ; %bb.0: ; %entry
+; GFX8DAGISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX8DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX8DAGISEL-NEXT:    s_bcnt1_i32_b64 s3, s[2:3]
+; GFX8DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX8DAGISEL-NEXT:    s_mul_i32 s2, s0, s3
+; GFX8DAGISEL-NEXT:    s_mul_hi_u32 s4, s0, s3
+; GFX8DAGISEL-NEXT:    s_mul_i32 s3, s1, s3
+; GFX8DAGISEL-NEXT:    s_add_u32 s3, s4, s3
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v0, s0
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v2, s2
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v1, s1
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v3, s3
+; GFX8DAGISEL-NEXT:    flat_store_dwordx2 v[0:1], v[2:3]
+; GFX8DAGISEL-NEXT:    s_endpgm
+;
+; GFX8GISEL-LABEL: poison_value_i64:
+; GFX8GISEL:       ; %bb.0: ; %entry
+; GFX8GISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX8GISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX8GISEL-NEXT:    s_bcnt1_i32_b64 s3, s[2:3]
+; GFX8GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX8GISEL-NEXT:    s_mul_i32 s2, s0, s3
+; GFX8GISEL-NEXT:    s_mul_hi_u32 s4, s0, s3
+; GFX8GISEL-NEXT:    s_mul_i32 s3, s1, s3
+; GFX8GISEL-NEXT:    s_add_u32 s3, s4, s3
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v3, s1
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v2, s0
+; GFX8GISEL-NEXT:    flat_store_dwordx2 v[2:3], v[0:1]
+; GFX8GISEL-NEXT:    s_endpgm
+;
+; GFX9DAGISEL-LABEL: poison_value_i64:
+; GFX9DAGISEL:       ; %bb.0: ; %entry
+; GFX9DAGISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX9DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX9DAGISEL-NEXT:    s_bcnt1_i32_b64 s3, s[2:3]
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX9DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9DAGISEL-NEXT:    s_mul_i32 s2, s0, s3
+; GFX9DAGISEL-NEXT:    s_mul_hi_u32 s4, s0, s3
+; GFX9DAGISEL-NEXT:    s_mul_i32 s3, s1, s3
+; GFX9DAGISEL-NEXT:    s_add_u32 s3, s4, s3
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX9DAGISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX9DAGISEL-NEXT:    s_endpgm
+;
+; GFX9GISEL-LABEL: poison_value_i64:
+; GFX9GISEL:       ; %bb.0: ; %entry
+; GFX9GISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX9GISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX9GISEL-NEXT:    s_bcnt1_i32_b64 s3, s[2:3]
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX9GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9GISEL-NEXT:    s_mul_i32 s2, s0, s3
+; GFX9GISEL-NEXT:    s_mul_hi_u32 s4, s0, s3
+; GFX9GISEL-NEXT:    s_mul_i32 s3, s1, s3
+; GFX9GISEL-NEXT:    s_add_u32 s3, s4, s3
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX9GISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX9GISEL-NEXT:    s_endpgm
+;
+; GFX1064DAGISEL-LABEL: poison_value_i64:
+; GFX1064DAGISEL:       ; %bb.0: ; %entry
+; GFX1064DAGISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX1064DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1064DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX1064DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1064DAGISEL-NEXT:    s_mul_hi_u32 s3, s0, s2
+; GFX1064DAGISEL-NEXT:    s_mul_i32 s4, s1, s2
+; GFX1064DAGISEL-NEXT:    s_mul_i32 s2, s0, s2
+; GFX1064DAGISEL-NEXT:    s_add_u32 s3, s3, s4
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1064DAGISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1064DAGISEL-NEXT:    s_endpgm
+;
+; GFX1064GISEL-LABEL: poison_value_i64:
+; GFX1064GISEL:       ; %bb.0: ; %entry
+; GFX1064GISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX1064GISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1064GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX1064GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1064GISEL-NEXT:    s_mul_hi_u32 s3, s0, s2
+; GFX1064GISEL-NEXT:    s_mul_i32 s4, s1, s2
+; GFX1064GISEL-NEXT:    s_mul_i32 s2, s0, s2
+; GFX1064GISEL-NEXT:    s_add_u32 s3, s3, s4
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1064GISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1064GISEL-NEXT:    s_endpgm
+;
+; GFX1032DAGISEL-LABEL: poison_value_i64:
+; GFX1032DAGISEL:       ; %bb.0: ; %entry
+; GFX1032DAGISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX1032DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1032DAGISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX1032DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1032DAGISEL-NEXT:    s_mul_hi_u32 s3, s0, s2
+; GFX1032DAGISEL-NEXT:    s_mul_i32 s4, s1, s2
+; GFX1032DAGISEL-NEXT:    s_mul_i32 s2, s0, s2
+; GFX1032DAGISEL-NEXT:    s_add_u32 s3, s3, s4
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1032DAGISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1032DAGISEL-NEXT:    s_endpgm
+;
+; GFX1032GISEL-LABEL: poison_value_i64:
+; GFX1032GISEL:       ; %bb.0: ; %entry
+; GFX1032GISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX1032GISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1032GISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX1032GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1032GISEL-NEXT:    s_mul_hi_u32 s3, s0, s2
+; GFX1032GISEL-NEXT:    s_mul_i32 s4, s1, s2
+; GFX1032GISEL-NEXT:    s_mul_i32 s2, s0, s2
+; GFX1032GISEL-NEXT:    s_add_u32 s3, s3, s4
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1032GISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1032GISEL-NEXT:    s_endpgm
+;
+; GFX1164DAGISEL-LABEL: poison_value_i64:
+; GFX1164DAGISEL:       ; %bb.0: ; %entry
+; GFX1164DAGISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX1164DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1164DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX1164DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1164DAGISEL-NEXT:    s_mul_hi_u32 s3, s0, s2
+; GFX1164DAGISEL-NEXT:    s_mul_i32 s4, s1, s2
+; GFX1164DAGISEL-NEXT:    s_mul_i32 s2, s0, s2
+; GFX1164DAGISEL-NEXT:    s_add_u32 s3, s3, s4
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1164DAGISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1164DAGISEL-NEXT:    s_endpgm
+;
+; GFX1164GISEL-LABEL: poison_value_i64:
+; GFX1164GISEL:       ; %bb.0: ; %entry
+; GFX1164GISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX1164GISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1164GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX1164GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1164GISEL-NEXT:    s_mul_hi_u32 s3, s0, s2
+; GFX1164GISEL-NEXT:    s_mul_i32 s4, s1, s2
+; GFX1164GISEL-NEXT:    s_mul_i32 s2, s0, s2
+; GFX1164GISEL-NEXT:    s_add_u32 s3, s3, s4
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1164GISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1164GISEL-NEXT:    s_endpgm
+;
+; GFX1132DAGISEL-LABEL: poison_value_i64:
+; GFX1132DAGISEL:       ; %bb.0: ; %entry
+; GFX1132DAGISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX1132DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1132DAGISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX1132DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1132DAGISEL-NEXT:    s_mul_hi_u32 s3, s0, s2
+; GFX1132DAGISEL-NEXT:    s_mul_i32 s4, s1, s2
+; GFX1132DAGISEL-NEXT:    s_mul_i32 s2, s0, s2
+; GFX1132DAGISEL-NEXT:    s_add_u32 s3, s3, s4
+; GFX1132DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1132DAGISEL-NEXT:    v_dual_mov_b32 v2, 0 :: v_dual_mov_b32 v1, s3
+; GFX1132DAGISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1132DAGISEL-NEXT:    s_endpgm
+;
+; GFX1132GISEL-LABEL: poison_value_i64:
+; GFX1132GISEL:       ; %bb.0: ; %entry
+; GFX1132GISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX1132GISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX1132GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1132GISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX1132GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1132GISEL-NEXT:    s_mul_hi_u32 s3, s0, s2
+; GFX1132GISEL-NEXT:    s_mul_i32 s4, s1, s2
+; GFX1132GISEL-NEXT:    s_mul_i32 s2, s0, s2
+; GFX1132GISEL-NEXT:    s_add_u32 s3, s3, s4
+; GFX1132GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1132GISEL-NEXT:    v_dual_mov_b32 v0, s2 :: v_dual_mov_b32 v1, s3
+; GFX1132GISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1132GISEL-NEXT:    s_endpgm
+entry:
+  %result = call i64 @llvm.amdgcn.wave.reduce.add.i64(i64 poison, i32 1)
+  store i64 %result, ptr addrspace(1) %out
+  ret void
+}
+
+define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
+; GFX8DAGISEL-LABEL: divergent_value_i64:
+; GFX8DAGISEL:       ; %bb.0: ; %entry
+; GFX8DAGISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX8DAGISEL-NEXT:    s_mov_b32 s4, 0
+; GFX8DAGISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX8DAGISEL-NEXT:    s_mov_b32 s5, s4
+; GFX8DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX8DAGISEL-NEXT:    s_ff1_i32_b64 s8, s[6:7]
+; GFX8DAGISEL-NEXT:    v_readlane_b32 s9, v2, s8
+; GFX8DAGISEL-NEXT:    v_readlane_b32 s10, v3, s8
+; GFX8DAGISEL-NEXT:    s_add_u32 s4, s4, s9
+; GFX8DAGISEL-NEXT:    s_bitset0_b64 s[6:7], s8
+; GFX8DAGISEL-NEXT:    s_addc_u32 s5, s5, s10
+; GFX8DAGISEL-NEXT:    s_cmp_lg_u64 s[6:7], 0
+; GFX8DAGISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX8DAGISEL-NEXT:  ; %bb.2:
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v2, s4
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v3, s5
+; GFX8DAGISEL-NEXT:    flat_store_dwordx2 v[0:1], v[2:3]
+; GFX8DAGISEL-NEXT:    s_waitcnt vmcnt(0)
+; GFX8DAGISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX8GISEL-LABEL: divergent_value_i64:
+; GFX8GISEL:       ; %bb.0: ; %entry
+; GFX8GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX8GISEL-NEXT:    s_mov_b32 s4, 0
+; GFX8GISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX8GISEL-NEXT:    s_mov_b32 s5, s4
+; GFX8GISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX8GISEL-NEXT:    s_ff1_i32_b64 s8, s[6:7]
+; GFX8GISEL-NEXT:    v_readlane_b32 s9, v2, s8
+; GFX8GISEL-NEXT:    v_readlane_b32 s10, v3, s8
+; GFX8GISEL-NEXT:    s_add_u32 s4, s4, s9
+; GFX8GISEL-NEXT:    s_bitset0_b64 s[6:7], s8
+; GFX8GISEL-NEXT:    s_addc_u32 s5, s5, s10
+; GFX8GISEL-NEXT:    s_cmp_lg_u64 s[6:7], 0
+; GFX8GISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX8GISEL-NEXT:  ; %bb.2:
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v2, s4
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v3, s5
+; GFX8GISEL-NEXT:    flat_store_dwordx2 v[0:1], v[2:3]
+; GFX8GISEL-NEXT:    s_waitcnt vmcnt(0)
+; GFX8GISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9DAGISEL-LABEL: divergent_value_i64:
+; GFX9DAGISEL:       ; %bb.0: ; %entry
+; GFX9DAGISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9DAGISEL-NEXT:    s_mov_b32 s4, 0
+; GFX9DAGISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX9DAGISEL-NEXT:    s_mov_b32 s5, s4
+; GFX9DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX9DAGISEL-NEXT:    s_ff1_i32_b64 s8, s[6:7]
+; GFX9DAGISEL-NEXT:    v_readlane_b32 s9, v2, s8
+; GFX9DAGISEL-NEXT:    v_readlane_b32 s10, v3, s8
+; GFX9DAGISEL-NEXT:    s_add_u32 s4, s4, s9
+; GFX9DAGISEL-NEXT:    s_bitset0_b64 s[6:7], s8
+; GFX9DAGISEL-NEXT:    s_addc_u32 s5, s5, s10
+; GFX9DAGISEL-NEXT:    s_cmp_lg_u64 s[6:7], 0
+; GFX9DAGISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX9DAGISEL-NEXT:  ; %bb.2:
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v2, s4
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v3, s5
+; GFX9DAGISEL-NEXT:    global_store_dwordx2 v[0:1], v[2:3], off
+; GFX9DAGISEL-NEXT:    s_waitcnt vmcnt(0)
+; GFX9DAGISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9GISEL-LABEL: divergent_value_i64:
+; GFX9GISEL:       ; %bb.0: ; %entry
+; GFX9GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9GISEL-NEXT:    s_mov_b32 s4, 0
+; GFX9GISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX9GISEL-NEXT:    s_mov_b32 s5, s4
+; GFX9GISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX9GISEL-NEXT:    s_ff1_i32_b64 s8, s[6:7]
+; GFX9GISEL-NEXT:    v_readlane_b32 s9, v2, s8
+; GFX9GISEL-NEXT:    v_readlane_b32 s10, v3, s8
+; GFX9GISEL-NEXT:    s_add_u32 s4, s4, s9
+; GFX9GISEL-NEXT:    s_bitset0_b64 s[6:7], s8
+; GFX9GISEL-NEXT:    s_addc_u32 s5, s5, s10
+; GFX9GISEL-NEXT:    s_cmp_lg_u64 s[6:7], 0
+; GFX9GISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX9GISEL-NEXT:  ; %bb.2:
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v2, s4
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v3, s5
+; GFX9GISEL-NEXT:    global_store_dwordx2 v[0:1], v[2:3], off
+; GFX9GISEL-NEXT:    s_waitcnt vmcnt(0)
+; GFX9GISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1064DAGISEL-LABEL: divergent_value_i64:
+; GFX1064DAGISEL:       ; %bb.0: ; %entry
+; GFX1064DAGISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1064DAGISEL-NEXT:    s_mov_b32 s4, 0
+; GFX1064DAGISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX1064DAGISEL-NEXT:    s_mov_b32 s5, s4
+; GFX1064DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX1064DAGISEL-NEXT:    s_ff1_i32_b64 s8, s[6:7]
+; GFX1064DAGISEL-NEXT:    v_readlane_b32 s9, v2, s8
+; GFX1064DAGISEL-NEXT:    v_readlane_b32 s10, v3, s8
+; GFX1064DAGISEL-NEXT:    s_bitset0_b64 s[6:7], s8
+; GFX1064DAGISEL-NEXT:    s_add_u32 s4, s4, s9
+; GFX1064DAGISEL-NEXT:    s_addc_u32 s5, s5, s10
+; GFX1064DAGISEL-NEXT:    s_cmp_lg_u64 s[6:7], 0
+; GFX1064DAGISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX1064DAGISEL-NEXT:  ; %bb.2:
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v2, s4
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v3, s5
+; GFX1064DAGISEL-NEXT:    global_store_dwordx2 v[0:1], v[2:3], off
+; GFX1064DAGISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1064GISEL-LABEL: divergent_value_i64:
+; GFX1064GISEL:       ; %bb.0: ; %entry
+; GFX1064GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1064GISEL-NEXT:    s_mov_b32 s4, 0
+; GFX1064GISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX1064GISEL-NEXT:    s_mov_b32 s5, s4
+; GFX1064GISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX1064GISEL-NEXT:    s_ff1_i32_b64 s8, s[6:7]
+; GFX1064GISEL-NEXT:    v_readlane_b32 s9, v2, s8
+; GFX1064GISEL-NEXT:    v_readlane_b32 s10, v3, s8
+; GFX1064GISEL-NEXT:    s_bitset0_b64 s[6:7], s8
+; GFX1064GISEL-NEXT:    s_add_u32 s4, s4, s9
+; GFX1064GISEL-NEXT:    s_addc_u32 s5, s5, s10
+; GFX1064GISEL-NEXT:    s_cmp_lg_u64 s[6:7], 0
+; GFX1064GISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX1064GISEL-NEXT:  ; %bb.2:
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v2, s4
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v3, s5
+; GFX1064GISEL-NEXT:    global_store_dwordx2 v[0:1], v[2:3], off
+; GFX1064GISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1032DAGISEL-LABEL: divergent_value_i64:
+; GFX1032DAGISEL:       ; %bb.0: ; %entry
+; GFX1032DAGISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1032DAGISEL-NEXT:    s_mov_b32 s4, 0
+; GFX1032DAGISEL-NEXT:    s_mov_b32 s6, exec_lo
+; GFX1032DAGISEL-NEXT:    s_mov_b32 s5, s4
+; GFX1032DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX1032DAGISEL-NEXT:    s_ff1_i32_b32 s7, s6
+; GFX1032DAGISEL-NEXT:    v_readlane_b32 s8, v2, s7
+; GFX1032DAGISEL-NEXT:    v_readlane_b32 s9, v3, s7
+; GFX1032DAGISEL-NEXT:    s_bitset0_b32 s6, s7
+; GFX1032DAGISEL-NEXT:    s_add_u32 s4, s4, s8
+; GFX1032DAGISEL-NEXT:    s_addc_u32 s5, s5, s9
+; GFX1032DAGISEL-NEXT:    s_cmp_lg_u32 s6, 0
+; GFX1032DAGISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX1032DAGISEL-NEXT:  ; %bb.2:
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v2, s4
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v3, s5
+; GFX1032DAGISEL-NEXT:    global_store_dwordx2 v[0:1], v[2:3], off
+; GFX1032DAGISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1032GISEL-LABEL: divergent_value_i64:
+; GFX1032GISEL:       ; %bb.0: ; %entry
+; GFX1032GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1032GISEL-NEXT:    s_mov_b32 s4, 0
+; GFX1032GISEL-NEXT:    s_mov_b32 s6, exec_lo
+; GFX1032GISEL-NEXT:    s_mov_b32 s5, s4
+; GFX1032GISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX1032GISEL-NEXT:    s_ff1_i32_b32 s7, s6
+; GFX1032GISEL-NEXT:    v_readlane_b32 s8, v2, s7
+; GFX1032GISEL-NEXT:    v_readlane_b32 s9, v3, s7
+; GFX1032GISEL-NEXT:    s_bitset0_b32 s6, s7
+; GFX1032GISEL-NEXT:    s_add_u32 s4, s4, s8
+; GFX1032GISEL-NEXT:    s_addc_u32 s5, s5, s9
+; GFX1032GISEL-NEXT:    s_cmp_lg_u32 s6, 0
+; GFX1032GISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX1032GISEL-NEXT:  ; %bb.2:
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v2, s4
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v3, s5
+; GFX1032GISEL-NEXT:    global_store_dwordx2 v[0:1], v[2:3], off
+; GFX1032GISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1164DAGISEL-LABEL: divergent_value_i64:
+; GFX1164DAGISEL:       ; %bb.0: ; %entry
+; GFX1164DAGISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1164DAGISEL-NEXT:    s_mov_b32 s0, 0
+; GFX1164DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX1164DAGISEL-NEXT:    s_mov_b32 s1, s0
+; GFX1164DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX1164DAGISEL-NEXT:    s_ctz_i32_b64 s4, s[2:3]
+; GFX1164DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1164DAGISEL-NEXT:    v_readlane_b32 s5, v2, s4
+; GFX1164DAGISEL-NEXT:    v_readlane_b32 s6, v3, s4
+; GFX1164DAGISEL-NEXT:    s_bitset0_b64 s[2:3], s4
+; GFX1164DAGISEL-NEXT:    s_add_u32 s0, s0, s5
+; GFX1164DAGISEL-NEXT:    s_addc_u32 s1, s1, s6
+; GFX1164DAGISEL-NEXT:    s_cmp_lg_u64 s[2:3], 0
+; GFX1164DAGISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX1164DAGISEL-NEXT:  ; %bb.2:
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v3, s1
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v2, s0
+; GFX1164DAGISEL-NEXT:    global_store_b64 v[0:1], v[2:3], off
+; GFX1164DAGISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1164GISEL-LABEL: divergent_value_i64:
+; GFX1164GISEL:       ; %bb.0: ; %entry
+; GFX1164GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1164GISEL-NEXT:    s_mov_b32 s0, 0
+; GFX1164GISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX1164GISEL-NEXT:    s_mov_b32 s1, s0
+; GFX1164GISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX1164GISEL-NEXT:    s_ctz_i32_b64 s4, s[2:3]
+; GFX1164GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1164GISEL-NEXT:    v_readlane_b32 s5, v2, s4
+; GFX1164GISEL-NEXT:    v_readlane_b32 s6, v3, s4
+; GFX1164GISEL-NEXT:    s_bitset0_b64 s[2:3], s4
+; GFX1164GISEL-NEXT:    s_add_u32 s0, s0, s5
+; GFX1164GISEL-NEXT:    s_addc_u32 s1, s1, s6
+; GFX1164GISEL-NEXT:    s_cmp_lg_u64 s[2:3], 0
+; GFX1164GISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX1164GISEL-NEXT:  ; %bb.2:
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v3, s1
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v2, s0
+; GFX1164GISEL-NEXT:    global_store_b64 v[0:1], v[2:3], off
+; GFX1164GISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1132DAGISEL-LABEL: divergent_value_i64:
+; GFX1132DAGISEL:       ; %bb.0: ; %entry
+; GFX1132DAGISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1132DAGISEL-NEXT:    s_mov_b32 s0, 0
+; GFX1132DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX1132DAGISEL-NEXT:    s_mov_b32 s1, s0
+; GFX1132DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX1132DAGISEL-NEXT:    s_ctz_i32_b32 s3, s2
+; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1132DAGISEL-NEXT:    v_readlane_b32 s4, v2, s3
+; GFX1132DAGISEL-NEXT:    v_readlane_b32 s5, v3, s3
+; GFX1132DAGISEL-NEXT:    s_bitset0_b32 s2, s3
+; GFX1132DAGISEL-NEXT:    s_add_u32 s0, s0, s4
+; GFX1132DAGISEL-NEXT:    s_addc_u32 s1, s1, s5
+; GFX1132DAGISEL-NEXT:    s_cmp_lg_u32 s2, 0
+; GFX1132DAGISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX1132DAGISEL-NEXT:  ; %bb.2:
+; GFX1132DAGISEL-NEXT:    v_dual_mov_b32 v3, s1 :: v_dual_mov_b32 v2, s0
+; GFX1132DAGISEL-NEXT:    global_store_b64 v[0:1], v[2:3], off
+; GFX1132DAGISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1132GISEL-LABEL: divergent_value_i64:
+; GFX1132GISEL:       ; %bb.0: ; %entry
+; GFX1132GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1132GISEL-NEXT:    s_mov_b32 s0, 0
+; GFX1132GISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX1132GISEL-NEXT:    s_mov_b32 s1, s0
+; GFX1132GISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX1132GISEL-NEXT:    s_ctz_i32_b32 s3, s2
+; GFX1132GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1132GISEL-NEXT:    v_readlane_b32 s4, v2, s3
+; GFX1132GISEL-NEXT:    v_readlane_b32 s5, v3, s3
+; GFX1132GISEL-NEXT:    s_bitset0_b32 s2, s3
+; GFX1132GISEL-NEXT:    s_add_u32 s0, s0, s4
+; GFX1132GISEL-NEXT:    s_addc_u32 s1, s1, s5
+; GFX1132GISEL-NEXT:    s_cmp_lg_u32 s2, 0
+; GFX1132GISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX1132GISEL-NEXT:  ; %bb.2:
+; GFX1132GISEL-NEXT:    v_dual_mov_b32 v3, s1 :: v_dual_mov_b32 v2, s0
+; GFX1132GISEL-NEXT:    global_store_b64 v[0:1], v[2:3], off
+; GFX1132GISEL-NEXT:    s_setpc_b64 s[30:31]
+entry:
+  %result = call i64 @llvm.amdgcn.wave.reduce.add.i64(i64 %id.x, i32 1)
+  store i64 %result, ptr addrspace(1) %out
+  ret void
+}
+
+define amdgpu_kernel void @divergent_cfg_i64(ptr addrspace(1) %out, i64 %in, i64 %in2) {
+; GFX8DAGISEL-LABEL: divergent_cfg_i64:
+; GFX8DAGISEL:       ; %bb.0: ; %entry
+; GFX8DAGISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX8DAGISEL-NEXT:    s_load_dwordx2 s[4:5], s[4:5], 0x34
+; GFX8DAGISEL-NEXT:    v_cmp_lt_u32_e32 vcc, 15, v0
+; GFX8DAGISEL-NEXT:    ; implicit-def: $sgpr6_sgpr7
+; GFX8DAGISEL-NEXT:    s_and_saveexec_b64 s[8:9], vcc
+; GFX8DAGISEL-NEXT:    s_xor_b64 s[8:9], exec, s[8:9]
+; GFX8DAGISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX8DAGISEL-NEXT:  ; %bb.1: ; %else
+; GFX8DAGISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX8DAGISEL-NEXT:    s_bcnt1_i32_b64 s7, s[6:7]
+; GFX8DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX8DAGISEL-NEXT:    s_mul_i32 s6, s2, s7
+; GFX8DAGISEL-NEXT:    s_mul_hi_u32 s2, s2, s7
+; GFX8DAGISEL-NEXT:    s_mul_i32 s3, s3, s7
+; GFX8DAGISEL-NEXT:    s_add_u32 s7, s2, s3
+; GFX8DAGISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX8DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX8DAGISEL-NEXT:    s_or_saveexec_b64 s[2:3], s[8:9]
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v0, s6
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v1, s7
+; GFX8DAGISEL-NEXT:    s_xor_b64 exec, exec, s[2:3]
+; GFX8DAGISEL-NEXT:  ; %bb.3: ; %if
+; GFX8DAGISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX8DAGISEL-NEXT:    s_bcnt1_i32_b64 s7, s[6:7]
+; GFX8DAGISEL-NEXT:    s_mul_i32 s6, s4, s7
+; GFX8DAGISEL-NEXT:    s_mul_hi_u32 s4, s4, s7
+; GFX8DAGISEL-NEXT:    s_mul_i32 s5, s5, s7
+; GFX8DAGISEL-NEXT:    s_add_u32 s7, s4, s5
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v0, s6
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v1, s7
+; GFX8DAGISEL-NEXT:  ; %bb.4: ; %endif
+; GFX8DAGISEL-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v2, s0
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v3, s1
+; GFX8DAGISEL-NEXT:    flat_store_dwordx2 v[2:3], v[0:1]
+; GFX8DAGISEL-NEXT:    s_endpgm
+;
+; GFX8GISEL-LABEL: divergent_cfg_i64:
+; GFX8GISEL:       ; %bb.0: ; %entry
+; GFX8GISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX8GISEL-NEXT:    v_cmp_le_u32_e32 vcc, 16, v0
+; GFX8GISEL-NEXT:    ; implicit-def: $sgpr6_sgpr7
+; GFX8GISEL-NEXT:    s_and_saveexec_b64 s[8:9], vcc
+; GFX8GISEL-NEXT:    s_xor_b64 s[8:9], exec, s[8:9]
+; GFX8GISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX8GISEL-NEXT:  ; %bb.1: ; %else
+; GFX8GISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX8GISEL-NEXT:    s_bcnt1_i32_b64 s7, s[6:7]
+; GFX8GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX8GISEL-NEXT:    s_mul_i32 s6, s2, s7
+; GFX8GISEL-NEXT:    s_mul_hi_u32 s2, s2, s7
+; GFX8GISEL-NEXT:    s_mul_i32 s3, s3, s7
+; GFX8GISEL-NEXT:    s_add_u32 s7, s2, s3
+; GFX8GISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX8GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX8GISEL-NEXT:    s_andn2_saveexec_b64 s[2:3], s[8:9]
+; GFX8GISEL-NEXT:    s_cbranch_execz .LBB9_4
+; GFX8GISEL-NEXT:  ; %bb.3: ; %if
+; GFX8GISEL-NEXT:    s_load_dwordx2 s[4:5], s[4:5], 0x34
+; GFX8GISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX8GISEL-NEXT:    s_bcnt1_i32_b64 s7, s[6:7]
+; GFX8GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX8GISEL-NEXT:    s_mul_i32 s6, s4, s7
+; GFX8GISEL-NEXT:    s_mul_hi_u32 s4, s4, s7
+; GFX8GISEL-NEXT:    s_mul_i32 s5, s5, s7
+; GFX8GISEL-NEXT:    s_add_u32 s7, s4, s5
+; GFX8GISEL-NEXT:  .LBB9_4: ; %endif
+; GFX8GISEL-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v0, s6
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v3, s1
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v1, s7
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v2, s0
+; GFX8GISEL-NEXT:    flat_store_dwordx2 v[2:3], v[0:1]
+; GFX8GISEL-NEXT:    s_endpgm
+;
+; GFX9DAGISEL-LABEL: divergent_cfg_i64:
+; GFX9DAGISEL:       ; %bb.0: ; %entry
+; GFX9DAGISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX9DAGISEL-NEXT:    s_load_dwordx2 s[6:7], s[4:5], 0x34
+; GFX9DAGISEL-NEXT:    v_cmp_lt_u32_e32 vcc, 15, v0
+; GFX9DAGISEL-NEXT:    ; implicit-def: $sgpr4_sgpr5
+; GFX9DAGISEL-NEXT:    s_and_saveexec_b64 s[8:9], vcc
+; GFX9DAGISEL-NEXT:    s_xor_b64 s[8:9], exec, s[8:9]
+; GFX9DAGISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX9DAGISEL-NEXT:  ; %bb.1: ; %else
+; GFX9DAGISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX9DAGISEL-NEXT:    s_bcnt1_i32_b64 s5, s[4:5]
+; GFX9DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9DAGISEL-NEXT:    s_mul_i32 s4, s2, s5
+; GFX9DAGISEL-NEXT:    s_mul_hi_u32 s2, s2, s5
+; GFX9DAGISEL-NEXT:    s_mul_i32 s3, s3, s5
+; GFX9DAGISEL-NEXT:    s_add_u32 s5, s2, s3
+; GFX9DAGISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX9DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9DAGISEL-NEXT:    s_or_saveexec_b64 s[2:3], s[8:9]
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v0, s4
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v1, s5
+; GFX9DAGISEL-NEXT:    s_xor_b64 exec, exec, s[2:3]
+; GFX9DAGISEL-NEXT:  ; %bb.3: ; %if
+; GFX9DAGISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX9DAGISEL-NEXT:    s_bcnt1_i32_b64 s5, s[4:5]
+; GFX9DAGISEL-NEXT:    s_mul_i32 s4, s6, s5
+; GFX9DAGISEL-NEXT:    s_mul_hi_u32 s6, s6, s5
+; GFX9DAGISEL-NEXT:    s_mul_i32 s5, s7, s5
+; GFX9DAGISEL-NEXT:    s_add_u32 s5, s6, s5
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v0, s4
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v1, s5
+; GFX9DAGISEL-NEXT:  ; %bb.4: ; %endif
+; GFX9DAGISEL-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX9DAGISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX9DAGISEL-NEXT:    s_endpgm
+;
+; GFX9GISEL-LABEL: divergent_cfg_i64:
+; GFX9GISEL:       ; %bb.0: ; %entry
+; GFX9GISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX9GISEL-NEXT:    v_cmp_le_u32_e32 vcc, 16, v0
+; GFX9GISEL-NEXT:    ; implicit-def: $sgpr6_sgpr7
+; GFX9GISEL-NEXT:    s_and_saveexec_b64 s[8:9], vcc
+; GFX9GISEL-NEXT:    s_xor_b64 s[8:9], exec, s[8:9]
+; GFX9GISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX9GISEL-NEXT:  ; %bb.1: ; %else
+; GFX9GISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX9GISEL-NEXT:    s_bcnt1_i32_b64 s7, s[6:7]
+; GFX9GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9GISEL-NEXT:    s_mul_i32 s6, s2, s7
+; GFX9GISEL-NEXT:    s_mul_hi_u32 s2, s2, s7
+; GFX9GISEL-NEXT:    s_mul_i32 s3, s3, s7
+; GFX9GISEL-NEXT:    s_add_u32 s7, s2, s3
+; GFX9GISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX9GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9GISEL-NEXT:    s_andn2_saveexec_b64 s[2:3], s[8:9]
+; GFX9GISEL-NEXT:    s_cbranch_execz .LBB9_4
+; GFX9GISEL-NEXT:  ; %bb.3: ; %if
+; GFX9GISEL-NEXT:    s_load_dwordx2 s[8:9], s[4:5], 0x34
+; GFX9GISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX9GISEL-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX9GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9GISEL-NEXT:    s_mul_i32 s6, s8, s4
+; GFX9GISEL-NEXT:    s_mul_hi_u32 s5, s8, s4
+; GFX9GISEL-NEXT:    s_mul_i32 s4, s9, s4
+; GFX9GISEL-NEXT:    s_add_u32 s7, s5, s4
+; GFX9GISEL-NEXT:  .LBB9_4: ; %endif
+; GFX9GISEL-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v0, s6
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v1, s7
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX9GISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX9GISEL-NEXT:    s_endpgm
+;
+; GFX1064DAGISEL-LABEL: divergent_cfg_i64:
+; GFX1064DAGISEL:       ; %bb.0: ; %entry
+; GFX1064DAGISEL-NEXT:    s_clause 0x1
+; GFX1064DAGISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX1064DAGISEL-NEXT:    s_load_dwordx2 s[6:7], s[4:5], 0x34
+; GFX1064DAGISEL-NEXT:    v_cmp_lt_u32_e32 vcc, 15, v0
+; GFX1064DAGISEL-NEXT:    ; implicit-def: $sgpr8_sgpr9
+; GFX1064DAGISEL-NEXT:    s_and_saveexec_b64 s[4:5], vcc
+; GFX1064DAGISEL-NEXT:    s_xor_b64 s[4:5], exec, s[4:5]
+; GFX1064DAGISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX1064DAGISEL-NEXT:  ; %bb.1: ; %else
+; GFX1064DAGISEL-NEXT:    s_mov_b64 s[8:9], exec
+; GFX1064DAGISEL-NEXT:    s_bcnt1_i32_b64 s8, s[8:9]
+; GFX1064DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1064DAGISEL-NEXT:    s_mul_hi_u32 s9, s2, s8
+; GFX1064DAGISEL-NEXT:    s_mul_i32 s3, s3, s8
+; GFX1064DAGISEL-NEXT:    s_mul_i32 s8, s2, s8
+; GFX1064DAGISEL-NEXT:    s_add_u32 s9, s9, s3
+; GFX1064DAGISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX1064DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1064DAGISEL-NEXT:    s_or_saveexec_b64 s[2:3], s[4:5]
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v0, s8
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v1, s9
+; GFX1064DAGISEL-NEXT:    s_xor_b64 exec, exec, s[2:3]
+; GFX1064DAGISEL-NEXT:  ; %bb.3: ; %if
+; GFX1064DAGISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX1064DAGISEL-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX1064DAGISEL-NEXT:    s_mul_hi_u32 s5, s6, s4
+; GFX1064DAGISEL-NEXT:    s_mul_i32 s7, s7, s4
+; GFX1064DAGISEL-NEXT:    s_mul_i32 s4, s6, s4
+; GFX1064DAGISEL-NEXT:    s_add_u32 s5, s5, s7
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v0, s4
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v1, s5
+; GFX1064DAGISEL-NEXT:  ; %bb.4: ; %endif
+; GFX1064DAGISEL-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1064DAGISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1064DAGISEL-NEXT:    s_endpgm
+;
+; GFX1064GISEL-LABEL: divergent_cfg_i64:
+; GFX1064GISEL:       ; %bb.0: ; %entry
+; GFX1064GISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX1064GISEL-NEXT:    v_cmp_le_u32_e32 vcc, 16, v0
+; GFX1064GISEL-NEXT:    ; implicit-def: $sgpr6_sgpr7
+; GFX1064GISEL-NEXT:    s_and_saveexec_b64 s[8:9], vcc
+; GFX1064GISEL-NEXT:    s_xor_b64 s[8:9], exec, s[8:9]
+; GFX1064GISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX1064GISEL-NEXT:  ; %bb.1: ; %else
+; GFX1064GISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX1064GISEL-NEXT:    s_bcnt1_i32_b64 s6, s[6:7]
+; GFX1064GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1064GISEL-NEXT:    s_mul_hi_u32 s7, s2, s6
+; GFX1064GISEL-NEXT:    s_mul_i32 s3, s3, s6
+; GFX1064GISEL-NEXT:    s_mul_i32 s6, s2, s6
+; GFX1064GISEL-NEXT:    s_add_u32 s7, s7, s3
+; GFX1064GISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX1064GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1064GISEL-NEXT:    s_andn2_saveexec_b64 s[2:3], s[8:9]
+; GFX1064GISEL-NEXT:    s_cbranch_execz .LBB9_4
+; GFX1064GISEL-NEXT:  ; %bb.3: ; %if
+; GFX1064GISEL-NEXT:    s_load_dwordx2 s[6:7], s[4:5], 0x34
+; GFX1064GISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX1064GISEL-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX1064GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1064GISEL-NEXT:    s_mul_hi_u32 s5, s6, s4
+; GFX1064GISEL-NEXT:    s_mul_i32 s7, s7, s4
+; GFX1064GISEL-NEXT:    s_mul_i32 s6, s6, s4
+; GFX1064GISEL-NEXT:    s_add_u32 s7, s5, s7
+; GFX1064GISEL-NEXT:  .LBB9_4: ; %endif
+; GFX1064GISEL-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v0, s6
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v1, s7
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1064GISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1064GISEL-NEXT:    s_endpgm
+;
+; GFX1032DAGISEL-LABEL: divergent_cfg_i64:
+; GFX1032DAGISEL:       ; %bb.0: ; %entry
+; GFX1032DAGISEL-NEXT:    s_clause 0x1
+; GFX1032DAGISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX1032DAGISEL-NEXT:    s_load_dwordx2 s[6:7], s[4:5], 0x34
+; GFX1032DAGISEL-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 15, v0
+; GFX1032DAGISEL-NEXT:    ; implicit-def: $sgpr4_sgpr5
+; GFX1032DAGISEL-NEXT:    s_and_saveexec_b32 s8, vcc_lo
+; GFX1032DAGISEL-NEXT:    s_xor_b32 s8, exec_lo, s8
+; GFX1032DAGISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX1032DAGISEL-NEXT:  ; %bb.1: ; %else
+; GFX1032DAGISEL-NEXT:    s_mov_b32 s4, exec_lo
+; GFX1032DAGISEL-NEXT:    s_bcnt1_i32_b32 s4, s4
+; GFX1032DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1032DAGISEL-NEXT:    s_mul_hi_u32 s5, s2, s4
+; GFX1032DAGISEL-NEXT:    s_mul_i32 s3, s3, s4
+; GFX1032DAGISEL-NEXT:    s_mul_i32 s4, s2, s4
+; GFX1032DAGISEL-NEXT:    s_add_u32 s5, s5, s3
+; GFX1032DAGISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX1032DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1032DAGISEL-NEXT:    s_or_saveexec_b32 s2, s8
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v0, s4
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v1, s5
+; GFX1032DAGISEL-NEXT:    s_xor_b32 exec_lo, exec_lo, s2
+; GFX1032DAGISEL-NEXT:  ; %bb.3: ; %if
+; GFX1032DAGISEL-NEXT:    s_mov_b32 s3, exec_lo
+; GFX1032DAGISEL-NEXT:    s_bcnt1_i32_b32 s3, s3
+; GFX1032DAGISEL-NEXT:    s_mul_hi_u32 s5, s6, s3
+; GFX1032DAGISEL-NEXT:    s_mul_i32 s7, s7, s3
+; GFX1032DAGISEL-NEXT:    s_mul_i32 s4, s6, s3
+; GFX1032DAGISEL-NEXT:    s_add_u32 s5, s5, s7
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v0, s4
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v1, s5
+; GFX1032DAGISEL-NEXT:  ; %bb.4: ; %endif
+; GFX1032DAGISEL-NEXT:    s_or_b32 exec_lo, exec_lo, s2
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1032DAGISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1032DAGISEL-NEXT:    s_endpgm
+;
+; GFX1032GISEL-LABEL: divergent_cfg_i64:
+; GFX1032GISEL:       ; %bb.0: ; %entry
+; GFX1032GISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX1032GISEL-NEXT:    v_cmp_le_u32_e32 vcc_lo, 16, v0
+; GFX1032GISEL-NEXT:    ; implicit-def: $sgpr6_sgpr7
+; GFX1032GISEL-NEXT:    s_and_saveexec_b32 s8, vcc_lo
+; GFX1032GISEL-NEXT:    s_xor_b32 s8, exec_lo, s8
+; GFX1032GISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX1032GISEL-NEXT:  ; %bb.1: ; %else
+; GFX1032GISEL-NEXT:    s_mov_b32 s6, exec_lo
+; GFX1032GISEL-NEXT:    s_bcnt1_i32_b32 s6, s6
+; GFX1032GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1032GISEL-NEXT:    s_mul_hi_u32 s7, s2, s6
+; GFX1032GISEL-NEXT:    s_mul_i32 s3, s3, s6
+; GFX1032GISEL-NEXT:    s_mul_i32 s6, s2, s6
+; GFX1032GISEL-NEXT:    s_add_u32 s7, s7, s3
+; GFX1032GISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX1032GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1032GISEL-NEXT:    s_andn2_saveexec_b32 s2, s8
+; GFX1032GISEL-NEXT:    s_cbranch_execz .LBB9_4
+; GFX1032GISEL-NEXT:  ; %bb.3: ; %if
+; GFX1032GISEL-NEXT:    s_load_dwordx2 s[6:7], s[4:5], 0x34
+; GFX1032GISEL-NEXT:    s_mov_b32 s3, exec_lo
+; GFX1032GISEL-NEXT:    s_bcnt1_i32_b32 s3, s3
+; GFX1032GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1032GISEL-NEXT:    s_mul_hi_u32 s4, s6, s3
+; GFX1032GISEL-NEXT:    s_mul_i32 s5, s7, s3
+; GFX1032GISEL-NEXT:    s_mul_i32 s6, s6, s3
+; GFX1032GISEL-NEXT:    s_add_u32 s7, s4, s5
+; GFX1032GISEL-NEXT:  .LBB9_4: ; %endif
+; GFX1032GISEL-NEXT:    s_or_b32 exec_lo, exec_lo, s2
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v0, s6
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v1, s7
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1032GISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1032GISEL-NEXT:    s_endpgm
+;
+; GFX1164DAGISEL-LABEL: divergent_cfg_i64:
+; GFX1164DAGISEL:       ; %bb.0: ; %entry
+; GFX1164DAGISEL-NEXT:    s_clause 0x1
+; GFX1164DAGISEL-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX1164DAGISEL-NEXT:    s_load_b64 s[4:5], s[4:5], 0x34
+; GFX1164DAGISEL-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
+; GFX1164DAGISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX1164DAGISEL-NEXT:    ; implicit-def: $sgpr8_sgpr9
+; GFX1164DAGISEL-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX1164DAGISEL-NEXT:    v_cmpx_lt_u32_e32 15, v0
+; GFX1164DAGISEL-NEXT:    s_xor_b64 s[6:7], exec, s[6:7]
+; GFX1164DAGISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX1164DAGISEL-NEXT:  ; %bb.1: ; %else
+; GFX1164DAGISEL-NEXT:    s_mov_b64 s[8:9], exec
+; GFX1164DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1164DAGISEL-NEXT:    s_bcnt1_i32_b64 s8, s[8:9]
+; GFX1164DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1164DAGISEL-NEXT:    s_mul_hi_u32 s9, s2, s8
+; GFX1164DAGISEL-NEXT:    s_mul_i32 s3, s3, s8
+; GFX1164DAGISEL-NEXT:    s_mul_i32 s8, s2, s8
+; GFX1164DAGISEL-NEXT:    s_add_u32 s9, s9, s3
+; GFX1164DAGISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX1164DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1164DAGISEL-NEXT:    s_or_saveexec_b64 s[2:3], s[6:7]
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v0, s8
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v1, s9
+; GFX1164DAGISEL-NEXT:    s_xor_b64 exec, exec, s[2:3]
+; GFX1164DAGISEL-NEXT:  ; %bb.3: ; %if
+; GFX1164DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1164DAGISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX1164DAGISEL-NEXT:    s_bcnt1_i32_b64 s6, s[6:7]
+; GFX1164DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1164DAGISEL-NEXT:    s_mul_hi_u32 s7, s4, s6
+; GFX1164DAGISEL-NEXT:    s_mul_i32 s5, s5, s6
+; GFX1164DAGISEL-NEXT:    s_mul_i32 s4, s4, s6
+; GFX1164DAGISEL-NEXT:    s_add_u32 s5, s7, s5
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v0, s4
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v1, s5
+; GFX1164DAGISEL-NEXT:  ; %bb.4: ; %endif
+; GFX1164DAGISEL-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1164DAGISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1164DAGISEL-NEXT:    s_endpgm
+;
+; GFX1164GISEL-LABEL: divergent_cfg_i64:
+; GFX1164GISEL:       ; %bb.0: ; %entry
+; GFX1164GISEL-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX1164GISEL-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
+; GFX1164GISEL-NEXT:    s_mov_b64 s[8:9], exec
+; GFX1164GISEL-NEXT:    ; implicit-def: $sgpr6_sgpr7
+; GFX1164GISEL-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX1164GISEL-NEXT:    v_cmpx_le_u32_e32 16, v0
+; GFX1164GISEL-NEXT:    s_xor_b64 s[8:9], exec, s[8:9]
+; GFX1164GISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX1164GISEL-NEXT:  ; %bb.1: ; %else
+; GFX1164GISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX1164GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1164GISEL-NEXT:    s_bcnt1_i32_b64 s6, s[6:7]
+; GFX1164GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1164GISEL-NEXT:    s_mul_hi_u32 s7, s2, s6
+; GFX1164GISEL-NEXT:    s_mul_i32 s3, s3, s6
+; GFX1164GISEL-NEXT:    s_mul_i32 s6, s2, s6
+; GFX1164GISEL-NEXT:    s_add_u32 s7, s7, s3
+; GFX1164GISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX1164GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1164GISEL-NEXT:    s_and_not1_saveexec_b64 s[2:3], s[8:9]
+; GFX1164GISEL-NEXT:    s_cbranch_execz .LBB9_4
+; GFX1164GISEL-NEXT:  ; %bb.3: ; %if
+; GFX1164GISEL-NEXT:    s_load_b64 s[4:5], s[4:5], 0x34
+; GFX1164GISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX1164GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1164GISEL-NEXT:    s_bcnt1_i32_b64 s6, s[6:7]
+; GFX1164GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1164GISEL-NEXT:    s_mul_hi_u32 s7, s4, s6
+; GFX1164GISEL-NEXT:    s_mul_i32 s5, s5, s6
+; GFX1164GISEL-NEXT:    s_mul_i32 s6, s4, s6
+; GFX1164GISEL-NEXT:    s_add_u32 s7, s7, s5
+; GFX1164GISEL-NEXT:  .LBB9_4: ; %endif
+; GFX1164GISEL-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v0, s6
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v1, s7
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1164GISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1164GISEL-NEXT:    s_endpgm
+;
+; GFX1132DAGISEL-LABEL: divergent_cfg_i64:
+; GFX1132DAGISEL:       ; %bb.0: ; %entry
+; GFX1132DAGISEL-NEXT:    s_clause 0x1
+; GFX1132DAGISEL-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX1132DAGISEL-NEXT:    s_load_b64 s[4:5], s[4:5], 0x34
+; GFX1132DAGISEL-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
+; GFX1132DAGISEL-NEXT:    s_mov_b32 s8, exec_lo
+; GFX1132DAGISEL-NEXT:    ; implicit-def: $sgpr6_sgpr7
+; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX1132DAGISEL-NEXT:    v_cmpx_lt_u32_e32 15, v0
+; GFX1132DAGISEL-NEXT:    s_xor_b32 s8, exec_lo, s8
+; GFX1132DAGISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX1132DAGISEL-NEXT:  ; %bb.1: ; %else
+; GFX1132DAGISEL-NEXT:    s_mov_b32 s6, exec_lo
+; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1132DAGISEL-NEXT:    s_bcnt1_i32_b32 s6, s6
+; GFX1132DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1132DAGISEL-NEXT:    s_mul_hi_u32 s7, s2, s6
+; GFX1132DAGISEL-NEXT:    s_mul_i32 s3, s3, s6
+; GFX1132DAGISEL-NEXT:    s_mul_i32 s6, s2, s6
+; GFX1132DAGISEL-NEXT:    s_add_u32 s7, s7, s3
+; GFX1132DAGISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX1132DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1132DAGISEL-NEXT:    s_or_saveexec_b32 s2, s8
+; GFX1132DAGISEL-NEXT:    v_dual_mov_b32 v0, s6 :: v_dual_mov_b32 v1, s7
+; GFX1132DAGISEL-NEXT:    s_xor_b32 exec_lo, exec_lo, s2
+; GFX1132DAGISEL-NEXT:  ; %bb.3: ; %if
+; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1132DAGISEL-NEXT:    s_mov_b32 s3, exec_lo
+; GFX1132DAGISEL-NEXT:    s_bcnt1_i32_b32 s3, s3
+; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_3) | instid1(SALU_CYCLE_1)
+; GFX1132DAGISEL-NEXT:    s_mul_hi_u32 s6, s4, s3
+; GFX1132DAGISEL-NEXT:    s_mul_i32 s5, s5, s3
+; GFX1132DAGISEL-NEXT:    s_mul_i32 s4, s4, s3
+; GFX1132DAGISEL-NEXT:    s_add_u32 s5, s6, s5
+; GFX1132DAGISEL-NEXT:    v_dual_mov_b32 v0, s4 :: v_dual_mov_b32 v1, s5
+; GFX1132DAGISEL-NEXT:  ; %bb.4: ; %endif
+; GFX1132DAGISEL-NEXT:    s_or_b32 exec_lo, exec_lo, s2
+; GFX1132DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1132DAGISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1132DAGISEL-NEXT:    s_endpgm
+;
+; GFX1132GISEL-LABEL: divergent_cfg_i64:
+; GFX1132GISEL:       ; %bb.0: ; %entry
+; GFX1132GISEL-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX1132GISEL-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
+; GFX1132GISEL-NEXT:    s_mov_b32 s8, exec_lo
+; GFX1132GISEL-NEXT:    ; implicit-def: $sgpr6_sgpr7
+; GFX1132GISEL-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX1132GISEL-NEXT:    v_cmpx_le_u32_e32 16, v0
+; GFX1132GISEL-NEXT:    s_xor_b32 s8, exec_lo, s8
+; GFX1132GISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX1132GISEL-NEXT:  ; %bb.1: ; %else
+; GFX1132GISEL-NEXT:    s_mov_b32 s6, exec_lo
+; GFX1132GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1132GISEL-NEXT:    s_bcnt1_i32_b32 s6, s6
+; GFX1132GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1132GISEL-NEXT:    s_mul_hi_u32 s7, s2, s6
+; GFX1132GISEL-NEXT:    s_mul_i32 s3, s3, s6
+; GFX1132GISEL-NEXT:    s_mul_i32 s6, s2, s6
+; GFX1132GISEL-NEXT:    s_add_u32 s7, s7, s3
+; GFX1132GISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX1132GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1132GISEL-NEXT:    s_and_not1_saveexec_b32 s2, s8
+; GFX1132GISEL-NEXT:    s_cbranch_execz .LBB9_4
+; GFX1132GISEL-NEXT:  ; %bb.3: ; %if
+; GFX1132GISEL-NEXT:    s_load_b64 s[4:5], s[4:5], 0x34
+; GFX1132GISEL-NEXT:    s_mov_b32 s3, exec_lo
+; GFX1132GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1132GISEL-NEXT:    s_bcnt1_i32_b32 s3, s3
+; GFX1132GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1132GISEL-NEXT:    s_mul_hi_u32 s7, s4, s3
+; GFX1132GISEL-NEXT:    s_mul_i32 s5, s5, s3
+; GFX1132GISEL-NEXT:    s_mul_i32 s6, s4, s3
+; GFX1132GISEL-NEXT:    s_add_u32 s7, s7, s5
+; GFX1132GISEL-NEXT:  .LBB9_4: ; %endif
+; GFX1132GISEL-NEXT:    s_or_b32 exec_lo, exec_lo, s2
+; GFX1132GISEL-NEXT:    v_dual_mov_b32 v0, s6 :: v_dual_mov_b32 v1, s7
+; GFX1132GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1132GISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1132GISEL-NEXT:    s_endpgm
+entry:
+  %tid = call i32 @llvm.amdgcn.workitem.id.x()
+  %d_cmp = icmp ult i32 %tid, 16
+  br i1 %d_cmp, label %if, label %else
+
+if:
+  %reducedValTid = call i64 @llvm.amdgcn.wave.reduce.add.i64(i64 %in2, i32 1)
+  br label %endif
+
+else:
+  %reducedValIn = call i64 @llvm.amdgcn.wave.reduce.add.i64(i64 %in, i32 1)
+  br label %endif
+
+endif:
+  %combine = phi i64 [%reducedValTid, %if], [%reducedValIn, %else]
+  store i64 %combine, ptr addrspace(1) %out
+  ret void
+}
 ;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
 ; GFX10DAGISEL: {{.*}}
 ; GFX10GISEL: {{.*}}
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.sub.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.sub.ll
index edb888a21f735..9a0917133fc59 100644
--- a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.sub.ll
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.sub.ll
@@ -20,7 +20,7 @@ define amdgpu_kernel void @uniform_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX8DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX8DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX8DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX8DAGISEL-NEXT:    s_mul_i32 s3, s6, -1
+; GFX8DAGISEL-NEXT:    s_sub_i32 s3, 0, s6
 ; GFX8DAGISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v0, s0
 ; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v1, s1
@@ -35,7 +35,7 @@ define amdgpu_kernel void @uniform_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX8GISEL-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX8GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX8GISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX8GISEL-NEXT:    s_mul_i32 s3, s6, -1
+; GFX8GISEL-NEXT:    s_sub_i32 s3, 0, s6
 ; GFX8GISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX8GISEL-NEXT:    v_mov_b32_e32 v0, s0
 ; GFX8GISEL-NEXT:    v_mov_b32_e32 v2, s2
@@ -51,7 +51,7 @@ define amdgpu_kernel void @uniform_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX9DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v0, 0
 ; GFX9DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX9DAGISEL-NEXT:    s_mul_i32 s3, s6, -1
+; GFX9DAGISEL-NEXT:    s_sub_i32 s3, 0, s6
 ; GFX9DAGISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v1, s2
 ; GFX9DAGISEL-NEXT:    global_store_dword v0, v1, s[0:1]
@@ -65,7 +65,7 @@ define amdgpu_kernel void @uniform_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX9GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX9GISEL-NEXT:    v_mov_b32_e32 v1, 0
 ; GFX9GISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX9GISEL-NEXT:    s_mul_i32 s3, s6, -1
+; GFX9GISEL-NEXT:    s_sub_i32 s3, 0, s6
 ; GFX9GISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX9GISEL-NEXT:    v_mov_b32_e32 v0, s2
 ; GFX9GISEL-NEXT:    global_store_dword v1, v0, s[0:1]
@@ -80,7 +80,7 @@ define amdgpu_kernel void @uniform_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v0, 0
 ; GFX1064DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX1064DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX1064DAGISEL-NEXT:    s_mul_i32 s3, s6, -1
+; GFX1064DAGISEL-NEXT:    s_sub_i32 s3, 0, s6
 ; GFX1064DAGISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v1, s2
 ; GFX1064DAGISEL-NEXT:    global_store_dword v0, v1, s[0:1]
@@ -95,7 +95,7 @@ define amdgpu_kernel void @uniform_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX1064GISEL-NEXT:    v_mov_b32_e32 v1, 0
 ; GFX1064GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX1064GISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX1064GISEL-NEXT:    s_mul_i32 s3, s6, -1
+; GFX1064GISEL-NEXT:    s_sub_i32 s3, 0, s6
 ; GFX1064GISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX1064GISEL-NEXT:    v_mov_b32_e32 v0, s2
 ; GFX1064GISEL-NEXT:    global_store_dword v1, v0, s[0:1]
@@ -110,7 +110,7 @@ define amdgpu_kernel void @uniform_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v0, 0
 ; GFX1032DAGISEL-NEXT:    s_bcnt1_i32_b32 s3, s3
 ; GFX1032DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX1032DAGISEL-NEXT:    s_mul_i32 s2, s2, -1
+; GFX1032DAGISEL-NEXT:    s_sub_i32 s2, 0, s2
 ; GFX1032DAGISEL-NEXT:    s_mul_i32 s2, s2, s3
 ; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v1, s2
 ; GFX1032DAGISEL-NEXT:    global_store_dword v0, v1, s[0:1]
@@ -125,7 +125,7 @@ define amdgpu_kernel void @uniform_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX1032GISEL-NEXT:    v_mov_b32_e32 v1, 0
 ; GFX1032GISEL-NEXT:    s_bcnt1_i32_b32 s3, s3
 ; GFX1032GISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX1032GISEL-NEXT:    s_mul_i32 s2, s2, -1
+; GFX1032GISEL-NEXT:    s_sub_i32 s2, 0, s2
 ; GFX1032GISEL-NEXT:    s_mul_i32 s2, s2, s3
 ; GFX1032GISEL-NEXT:    v_mov_b32_e32 v0, s2
 ; GFX1032GISEL-NEXT:    global_store_dword v1, v0, s[0:1]
@@ -140,7 +140,7 @@ define amdgpu_kernel void @uniform_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v0, 0
 ; GFX1164DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX1164DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX1164DAGISEL-NEXT:    s_mul_i32 s3, s6, -1
+; GFX1164DAGISEL-NEXT:    s_sub_i32 s3, 0, s6
 ; GFX1164DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
 ; GFX1164DAGISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v1, s2
@@ -156,7 +156,7 @@ define amdgpu_kernel void @uniform_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX1164GISEL-NEXT:    v_mov_b32_e32 v1, 0
 ; GFX1164GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX1164GISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX1164GISEL-NEXT:    s_mul_i32 s3, s6, -1
+; GFX1164GISEL-NEXT:    s_sub_i32 s3, 0, s6
 ; GFX1164GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
 ; GFX1164GISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX1164GISEL-NEXT:    v_mov_b32_e32 v0, s2
@@ -172,7 +172,7 @@ define amdgpu_kernel void @uniform_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_2) | instid1(SALU_CYCLE_1)
 ; GFX1132DAGISEL-NEXT:    s_bcnt1_i32_b32 s3, s3
 ; GFX1132DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX1132DAGISEL-NEXT:    s_mul_i32 s2, s2, -1
+; GFX1132DAGISEL-NEXT:    s_sub_i32 s2, 0, s2
 ; GFX1132DAGISEL-NEXT:    s_mul_i32 s2, s2, s3
 ; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
 ; GFX1132DAGISEL-NEXT:    v_dual_mov_b32 v0, 0 :: v_dual_mov_b32 v1, s2
@@ -188,7 +188,7 @@ define amdgpu_kernel void @uniform_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX1132GISEL-NEXT:    v_mov_b32_e32 v1, 0
 ; GFX1132GISEL-NEXT:    s_bcnt1_i32_b32 s3, s3
 ; GFX1132GISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX1132GISEL-NEXT:    s_mul_i32 s2, s2, -1
+; GFX1132GISEL-NEXT:    s_sub_i32 s2, 0, s2
 ; GFX1132GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
 ; GFX1132GISEL-NEXT:    s_mul_i32 s2, s2, s3
 ; GFX1132GISEL-NEXT:    v_mov_b32_e32 v0, s2
@@ -205,7 +205,7 @@ define amdgpu_kernel void @const_value(ptr addrspace(1) %out) {
 ; GFX8DAGISEL:       ; %bb.0: ; %entry
 ; GFX8DAGISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
 ; GFX8DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
-; GFX8DAGISEL-NEXT:    s_mul_i32 s4, -1, 0x7b
+; GFX8DAGISEL-NEXT:    s_sub_i32 s4, 0, 0x7b
 ; GFX8DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX8DAGISEL-NEXT:    s_mul_i32 s2, s4, s2
 ; GFX8DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
@@ -220,7 +220,7 @@ define amdgpu_kernel void @const_value(ptr addrspace(1) %out) {
 ; GFX8GISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
 ; GFX8GISEL-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX8GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
-; GFX8GISEL-NEXT:    s_mul_i32 s3, -1, 0x7b
+; GFX8GISEL-NEXT:    s_sub_i32 s3, 0, 0x7b
 ; GFX8GISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX8GISEL-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX8GISEL-NEXT:    v_mov_b32_e32 v0, s0
@@ -234,7 +234,7 @@ define amdgpu_kernel void @const_value(ptr addrspace(1) %out) {
 ; GFX9DAGISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
 ; GFX9DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX9DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
-; GFX9DAGISEL-NEXT:    s_mul_i32 s3, -1, 0x7b
+; GFX9DAGISEL-NEXT:    s_sub_i32 s3, 0, 0x7b
 ; GFX9DAGISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v0, 0
 ; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v1, s2
@@ -247,7 +247,7 @@ define amdgpu_kernel void @const_value(ptr addrspace(1) %out) {
 ; GFX9GISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
 ; GFX9GISEL-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX9GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
-; GFX9GISEL-NEXT:    s_mul_i32 s3, -1, 0x7b
+; GFX9GISEL-NEXT:    s_sub_i32 s3, 0, 0x7b
 ; GFX9GISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX9GISEL-NEXT:    v_mov_b32_e32 v0, s2
 ; GFX9GISEL-NEXT:    v_mov_b32_e32 v1, 0
@@ -261,7 +261,7 @@ define amdgpu_kernel void @const_value(ptr addrspace(1) %out) {
 ; GFX1064DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v0, 0
 ; GFX1064DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
-; GFX1064DAGISEL-NEXT:    s_mul_i32 s3, -1, 0x7b
+; GFX1064DAGISEL-NEXT:    s_sub_i32 s3, 0, 0x7b
 ; GFX1064DAGISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v1, s2
 ; GFX1064DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
@@ -274,7 +274,7 @@ define amdgpu_kernel void @const_value(ptr addrspace(1) %out) {
 ; GFX1064GISEL-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX1064GISEL-NEXT:    v_mov_b32_e32 v1, 0
 ; GFX1064GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
-; GFX1064GISEL-NEXT:    s_mul_i32 s3, -1, 0x7b
+; GFX1064GISEL-NEXT:    s_sub_i32 s3, 0, 0x7b
 ; GFX1064GISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX1064GISEL-NEXT:    v_mov_b32_e32 v0, s2
 ; GFX1064GISEL-NEXT:    s_waitcnt lgkmcnt(0)
@@ -285,7 +285,7 @@ define amdgpu_kernel void @const_value(ptr addrspace(1) %out) {
 ; GFX1032DAGISEL:       ; %bb.0: ; %entry
 ; GFX1032DAGISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
 ; GFX1032DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
-; GFX1032DAGISEL-NEXT:    s_mul_i32 s3, -1, 0x7b
+; GFX1032DAGISEL-NEXT:    s_sub_i32 s3, 0, 0x7b
 ; GFX1032DAGISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
 ; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v0, 0
 ; GFX1032DAGISEL-NEXT:    s_mul_i32 s2, s3, s2
@@ -298,7 +298,7 @@ define amdgpu_kernel void @const_value(ptr addrspace(1) %out) {
 ; GFX1032GISEL:       ; %bb.0: ; %entry
 ; GFX1032GISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
 ; GFX1032GISEL-NEXT:    s_mov_b32 s2, exec_lo
-; GFX1032GISEL-NEXT:    s_mul_i32 s3, -1, 0x7b
+; GFX1032GISEL-NEXT:    s_sub_i32 s3, 0, 0x7b
 ; GFX1032GISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
 ; GFX1032GISEL-NEXT:    v_mov_b32_e32 v1, 0
 ; GFX1032GISEL-NEXT:    s_mul_i32 s2, s3, s2
@@ -313,7 +313,7 @@ define amdgpu_kernel void @const_value(ptr addrspace(1) %out) {
 ; GFX1164DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v0, 0
 ; GFX1164DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
-; GFX1164DAGISEL-NEXT:    s_mul_i32 s3, -1, 0x7b
+; GFX1164DAGISEL-NEXT:    s_sub_i32 s3, 0, 0x7b
 ; GFX1164DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
 ; GFX1164DAGISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v1, s2
@@ -327,7 +327,7 @@ define amdgpu_kernel void @const_value(ptr addrspace(1) %out) {
 ; GFX1164GISEL-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX1164GISEL-NEXT:    v_mov_b32_e32 v1, 0
 ; GFX1164GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
-; GFX1164GISEL-NEXT:    s_mul_i32 s3, -1, 0x7b
+; GFX1164GISEL-NEXT:    s_sub_i32 s3, 0, 0x7b
 ; GFX1164GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
 ; GFX1164GISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX1164GISEL-NEXT:    v_mov_b32_e32 v0, s2
@@ -339,7 +339,7 @@ define amdgpu_kernel void @const_value(ptr addrspace(1) %out) {
 ; GFX1132DAGISEL:       ; %bb.0: ; %entry
 ; GFX1132DAGISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
 ; GFX1132DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
-; GFX1132DAGISEL-NEXT:    s_mul_i32 s3, -1, 0x7b
+; GFX1132DAGISEL-NEXT:    s_sub_i32 s3, 0, 0x7b
 ; GFX1132DAGISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
 ; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
 ; GFX1132DAGISEL-NEXT:    s_mul_i32 s2, s3, s2
@@ -352,7 +352,7 @@ define amdgpu_kernel void @const_value(ptr addrspace(1) %out) {
 ; GFX1132GISEL:       ; %bb.0: ; %entry
 ; GFX1132GISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
 ; GFX1132GISEL-NEXT:    s_mov_b32 s2, exec_lo
-; GFX1132GISEL-NEXT:    s_mul_i32 s3, -1, 0x7b
+; GFX1132GISEL-NEXT:    s_sub_i32 s3, 0, 0x7b
 ; GFX1132GISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
 ; GFX1132GISEL-NEXT:    v_mov_b32_e32 v1, 0
 ; GFX1132GISEL-NEXT:    s_mul_i32 s2, s3, s2
@@ -374,7 +374,7 @@ define amdgpu_kernel void @poison_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX8DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX8DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX8DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX8DAGISEL-NEXT:    s_mul_i32 s4, s0, -1
+; GFX8DAGISEL-NEXT:    s_sub_i32 s4, 0, s0
 ; GFX8DAGISEL-NEXT:    s_mul_i32 s2, s4, s2
 ; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v0, s0
 ; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v1, s1
@@ -388,7 +388,7 @@ define amdgpu_kernel void @poison_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX8GISEL-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX8GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX8GISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX8GISEL-NEXT:    s_mul_i32 s3, s0, -1
+; GFX8GISEL-NEXT:    s_sub_i32 s3, 0, s0
 ; GFX8GISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX8GISEL-NEXT:    v_mov_b32_e32 v0, s0
 ; GFX8GISEL-NEXT:    v_mov_b32_e32 v2, s2
@@ -403,7 +403,7 @@ define amdgpu_kernel void @poison_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX9DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v0, 0
 ; GFX9DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX9DAGISEL-NEXT:    s_mul_i32 s3, s0, -1
+; GFX9DAGISEL-NEXT:    s_sub_i32 s3, 0, s0
 ; GFX9DAGISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v1, s2
 ; GFX9DAGISEL-NEXT:    global_store_dword v0, v1, s[0:1]
@@ -416,7 +416,7 @@ define amdgpu_kernel void @poison_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX9GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX9GISEL-NEXT:    v_mov_b32_e32 v1, 0
 ; GFX9GISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX9GISEL-NEXT:    s_mul_i32 s3, s0, -1
+; GFX9GISEL-NEXT:    s_sub_i32 s3, 0, s0
 ; GFX9GISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX9GISEL-NEXT:    v_mov_b32_e32 v0, s2
 ; GFX9GISEL-NEXT:    global_store_dword v1, v0, s[0:1]
@@ -429,7 +429,7 @@ define amdgpu_kernel void @poison_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v0, 0
 ; GFX1064DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX1064DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX1064DAGISEL-NEXT:    s_mul_i32 s3, s0, -1
+; GFX1064DAGISEL-NEXT:    s_sub_i32 s3, 0, s0
 ; GFX1064DAGISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v1, s2
 ; GFX1064DAGISEL-NEXT:    global_store_dword v0, v1, s[0:1]
@@ -442,7 +442,7 @@ define amdgpu_kernel void @poison_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX1064GISEL-NEXT:    v_mov_b32_e32 v1, 0
 ; GFX1064GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX1064GISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX1064GISEL-NEXT:    s_mul_i32 s3, s0, -1
+; GFX1064GISEL-NEXT:    s_sub_i32 s3, 0, s0
 ; GFX1064GISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX1064GISEL-NEXT:    v_mov_b32_e32 v0, s2
 ; GFX1064GISEL-NEXT:    global_store_dword v1, v0, s[0:1]
@@ -455,7 +455,7 @@ define amdgpu_kernel void @poison_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v0, 0
 ; GFX1032DAGISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
 ; GFX1032DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX1032DAGISEL-NEXT:    s_mul_i32 s3, s0, -1
+; GFX1032DAGISEL-NEXT:    s_sub_i32 s3, 0, s0
 ; GFX1032DAGISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v1, s2
 ; GFX1032DAGISEL-NEXT:    global_store_dword v0, v1, s[0:1]
@@ -468,7 +468,7 @@ define amdgpu_kernel void @poison_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX1032GISEL-NEXT:    v_mov_b32_e32 v1, 0
 ; GFX1032GISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
 ; GFX1032GISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX1032GISEL-NEXT:    s_mul_i32 s3, s0, -1
+; GFX1032GISEL-NEXT:    s_sub_i32 s3, 0, s0
 ; GFX1032GISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX1032GISEL-NEXT:    v_mov_b32_e32 v0, s2
 ; GFX1032GISEL-NEXT:    global_store_dword v1, v0, s[0:1]
@@ -481,7 +481,7 @@ define amdgpu_kernel void @poison_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v0, 0
 ; GFX1164DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX1164DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX1164DAGISEL-NEXT:    s_mul_i32 s3, s0, -1
+; GFX1164DAGISEL-NEXT:    s_sub_i32 s3, 0, s0
 ; GFX1164DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
 ; GFX1164DAGISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v1, s2
@@ -495,7 +495,7 @@ define amdgpu_kernel void @poison_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX1164GISEL-NEXT:    v_mov_b32_e32 v1, 0
 ; GFX1164GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX1164GISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX1164GISEL-NEXT:    s_mul_i32 s3, s0, -1
+; GFX1164GISEL-NEXT:    s_sub_i32 s3, 0, s0
 ; GFX1164GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
 ; GFX1164GISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX1164GISEL-NEXT:    v_mov_b32_e32 v0, s2
@@ -509,7 +509,7 @@ define amdgpu_kernel void @poison_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_2) | instid1(SALU_CYCLE_1)
 ; GFX1132DAGISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
 ; GFX1132DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX1132DAGISEL-NEXT:    s_mul_i32 s3, s0, -1
+; GFX1132DAGISEL-NEXT:    s_sub_i32 s3, 0, s0
 ; GFX1132DAGISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
 ; GFX1132DAGISEL-NEXT:    v_dual_mov_b32 v0, 0 :: v_dual_mov_b32 v1, s2
@@ -523,7 +523,7 @@ define amdgpu_kernel void @poison_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX1132GISEL-NEXT:    v_mov_b32_e32 v1, 0
 ; GFX1132GISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
 ; GFX1132GISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX1132GISEL-NEXT:    s_mul_i32 s3, s0, -1
+; GFX1132GISEL-NEXT:    s_sub_i32 s3, 0, s0
 ; GFX1132GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
 ; GFX1132GISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX1132GISEL-NEXT:    v_mov_b32_e32 v0, s2
@@ -792,7 +792,7 @@ define amdgpu_kernel void @divergent_cfg(ptr addrspace(1) %out, i32 %in) {
 ; GFX8DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX8DAGISEL-NEXT:    ; implicit-def: $vgpr0
 ; GFX8DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX8DAGISEL-NEXT:    s_mul_i32 s3, s6, -1
+; GFX8DAGISEL-NEXT:    s_sub_i32 s3, 0, s6
 ; GFX8DAGISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX8DAGISEL-NEXT:  .LBB4_2: ; %Flow
 ; GFX8DAGISEL-NEXT:    s_or_saveexec_b64 s[0:1], s[0:1]
@@ -833,7 +833,7 @@ define amdgpu_kernel void @divergent_cfg(ptr addrspace(1) %out, i32 %in) {
 ; GFX8GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX8GISEL-NEXT:    ; implicit-def: $vgpr0
 ; GFX8GISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX8GISEL-NEXT:    s_mul_i32 s3, s6, -1
+; GFX8GISEL-NEXT:    s_sub_i32 s3, 0, s6
 ; GFX8GISEL-NEXT:    s_mul_i32 s6, s3, s2
 ; GFX8GISEL-NEXT:  .LBB4_2: ; %Flow
 ; GFX8GISEL-NEXT:    s_andn2_saveexec_b64 s[0:1], s[0:1]
@@ -871,7 +871,7 @@ define amdgpu_kernel void @divergent_cfg(ptr addrspace(1) %out, i32 %in) {
 ; GFX9DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX9DAGISEL-NEXT:    ; implicit-def: $vgpr0
 ; GFX9DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX9DAGISEL-NEXT:    s_mul_i32 s3, s6, -1
+; GFX9DAGISEL-NEXT:    s_sub_i32 s3, 0, s6
 ; GFX9DAGISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX9DAGISEL-NEXT:  .LBB4_2: ; %Flow
 ; GFX9DAGISEL-NEXT:    s_or_saveexec_b64 s[0:1], s[0:1]
@@ -911,7 +911,7 @@ define amdgpu_kernel void @divergent_cfg(ptr addrspace(1) %out, i32 %in) {
 ; GFX9GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX9GISEL-NEXT:    ; implicit-def: $vgpr0
 ; GFX9GISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX9GISEL-NEXT:    s_mul_i32 s3, s6, -1
+; GFX9GISEL-NEXT:    s_sub_i32 s3, 0, s6
 ; GFX9GISEL-NEXT:    s_mul_i32 s6, s3, s2
 ; GFX9GISEL-NEXT:  .LBB4_2: ; %Flow
 ; GFX9GISEL-NEXT:    s_andn2_saveexec_b64 s[0:1], s[0:1]
@@ -948,7 +948,7 @@ define amdgpu_kernel void @divergent_cfg(ptr addrspace(1) %out, i32 %in) {
 ; GFX1064DAGISEL-NEXT:    ; implicit-def: $vgpr0
 ; GFX1064DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX1064DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX1064DAGISEL-NEXT:    s_mul_i32 s3, s6, -1
+; GFX1064DAGISEL-NEXT:    s_sub_i32 s3, 0, s6
 ; GFX1064DAGISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX1064DAGISEL-NEXT:  .LBB4_2: ; %Flow
 ; GFX1064DAGISEL-NEXT:    s_or_saveexec_b64 s[0:1], s[0:1]
@@ -988,7 +988,7 @@ define amdgpu_kernel void @divergent_cfg(ptr addrspace(1) %out, i32 %in) {
 ; GFX1064GISEL-NEXT:    ; implicit-def: $vgpr0
 ; GFX1064GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX1064GISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX1064GISEL-NEXT:    s_mul_i32 s3, s6, -1
+; GFX1064GISEL-NEXT:    s_sub_i32 s3, 0, s6
 ; GFX1064GISEL-NEXT:    s_mul_i32 s6, s3, s2
 ; GFX1064GISEL-NEXT:  .LBB4_2: ; %Flow
 ; GFX1064GISEL-NEXT:    s_andn2_saveexec_b64 s[0:1], s[0:1]
@@ -1025,7 +1025,7 @@ define amdgpu_kernel void @divergent_cfg(ptr addrspace(1) %out, i32 %in) {
 ; GFX1032DAGISEL-NEXT:    ; implicit-def: $vgpr0
 ; GFX1032DAGISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
 ; GFX1032DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX1032DAGISEL-NEXT:    s_mul_i32 s1, s1, -1
+; GFX1032DAGISEL-NEXT:    s_sub_i32 s1, 0, s1
 ; GFX1032DAGISEL-NEXT:    s_mul_i32 s1, s1, s2
 ; GFX1032DAGISEL-NEXT:  .LBB4_2: ; %Flow
 ; GFX1032DAGISEL-NEXT:    s_or_saveexec_b32 s0, s0
@@ -1065,7 +1065,7 @@ define amdgpu_kernel void @divergent_cfg(ptr addrspace(1) %out, i32 %in) {
 ; GFX1032GISEL-NEXT:    ; implicit-def: $vgpr0
 ; GFX1032GISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
 ; GFX1032GISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX1032GISEL-NEXT:    s_mul_i32 s0, s0, -1
+; GFX1032GISEL-NEXT:    s_sub_i32 s0, 0, s0
 ; GFX1032GISEL-NEXT:    s_mul_i32 s0, s0, s2
 ; GFX1032GISEL-NEXT:  .LBB4_2: ; %Flow
 ; GFX1032GISEL-NEXT:    s_andn2_saveexec_b32 s1, s1
@@ -1105,7 +1105,7 @@ define amdgpu_kernel void @divergent_cfg(ptr addrspace(1) %out, i32 %in) {
 ; GFX1164DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_2) | instid1(SALU_CYCLE_1)
 ; GFX1164DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX1164DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX1164DAGISEL-NEXT:    s_mul_i32 s3, s6, -1
+; GFX1164DAGISEL-NEXT:    s_sub_i32 s3, 0, s6
 ; GFX1164DAGISEL-NEXT:    s_mul_i32 s2, s3, s2
 ; GFX1164DAGISEL-NEXT:  .LBB4_2: ; %Flow
 ; GFX1164DAGISEL-NEXT:    s_or_saveexec_b64 s[0:1], s[0:1]
@@ -1149,7 +1149,7 @@ define amdgpu_kernel void @divergent_cfg(ptr addrspace(1) %out, i32 %in) {
 ; GFX1164GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_2) | instid1(SALU_CYCLE_1)
 ; GFX1164GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX1164GISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX1164GISEL-NEXT:    s_mul_i32 s3, s6, -1
+; GFX1164GISEL-NEXT:    s_sub_i32 s3, 0, s6
 ; GFX1164GISEL-NEXT:    s_mul_i32 s6, s3, s2
 ; GFX1164GISEL-NEXT:  .LBB4_2: ; %Flow
 ; GFX1164GISEL-NEXT:    s_and_not1_saveexec_b64 s[0:1], s[0:1]
@@ -1190,7 +1190,7 @@ define amdgpu_kernel void @divergent_cfg(ptr addrspace(1) %out, i32 %in) {
 ; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_2) | instid1(SALU_CYCLE_1)
 ; GFX1132DAGISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
 ; GFX1132DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX1132DAGISEL-NEXT:    s_mul_i32 s1, s1, -1
+; GFX1132DAGISEL-NEXT:    s_sub_i32 s1, 0, s1
 ; GFX1132DAGISEL-NEXT:    s_mul_i32 s1, s1, s2
 ; GFX1132DAGISEL-NEXT:  .LBB4_2: ; %Flow
 ; GFX1132DAGISEL-NEXT:    s_or_saveexec_b32 s0, s0
@@ -1234,7 +1234,7 @@ define amdgpu_kernel void @divergent_cfg(ptr addrspace(1) %out, i32 %in) {
 ; GFX1132GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_2) | instid1(SALU_CYCLE_1)
 ; GFX1132GISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
 ; GFX1132GISEL-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX1132GISEL-NEXT:    s_mul_i32 s0, s0, -1
+; GFX1132GISEL-NEXT:    s_sub_i32 s0, 0, s0
 ; GFX1132GISEL-NEXT:    s_mul_i32 s0, s0, s2
 ; GFX1132GISEL-NEXT:  .LBB4_2: ; %Flow
 ; GFX1132GISEL-NEXT:    s_and_not1_saveexec_b32 s1, s1
@@ -1275,6 +1275,1621 @@ endif:
   store i32 %combine, ptr addrspace(1) %out
   ret void
 }
+
+define amdgpu_kernel void @uniform_value_i64(ptr addrspace(1) %out, i64 %in) {
+; GFX8DAGISEL-LABEL: uniform_value_i64:
+; GFX8DAGISEL:       ; %bb.0: ; %entry
+; GFX8DAGISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX8DAGISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX8DAGISEL-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX8DAGISEL-NEXT:    s_sub_i32 s4, 0, s4
+; GFX8DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v0, s0
+; GFX8DAGISEL-NEXT:    s_ashr_i32 s0, s4, 31
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v1, s1
+; GFX8DAGISEL-NEXT:    s_mul_i32 s1, s2, s0
+; GFX8DAGISEL-NEXT:    s_mul_i32 s0, s2, s4
+; GFX8DAGISEL-NEXT:    s_mul_hi_u32 s2, s2, s4
+; GFX8DAGISEL-NEXT:    s_mul_i32 s3, s3, s4
+; GFX8DAGISEL-NEXT:    s_add_u32 s2, s2, s3
+; GFX8DAGISEL-NEXT:    s_add_u32 s1, s2, s1
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v3, s1
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v2, s0
+; GFX8DAGISEL-NEXT:    flat_store_dwordx2 v[0:1], v[2:3]
+; GFX8DAGISEL-NEXT:    s_endpgm
+;
+; GFX8GISEL-LABEL: uniform_value_i64:
+; GFX8GISEL:       ; %bb.0: ; %entry
+; GFX8GISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX8GISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX8GISEL-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX8GISEL-NEXT:    s_sub_i32 s5, 0, s4
+; GFX8GISEL-NEXT:    s_ashr_i32 s4, s5, 31
+; GFX8GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX8GISEL-NEXT:    s_mul_i32 s6, s2, s4
+; GFX8GISEL-NEXT:    s_mul_i32 s4, s2, s5
+; GFX8GISEL-NEXT:    s_mul_hi_u32 s2, s2, s5
+; GFX8GISEL-NEXT:    s_mul_i32 s3, s3, s5
+; GFX8GISEL-NEXT:    s_add_u32 s2, s2, s3
+; GFX8GISEL-NEXT:    s_add_u32 s5, s2, s6
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v0, s4
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v3, s1
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v1, s5
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v2, s0
+; GFX8GISEL-NEXT:    flat_store_dwordx2 v[2:3], v[0:1]
+; GFX8GISEL-NEXT:    s_endpgm
+;
+; GFX9DAGISEL-LABEL: uniform_value_i64:
+; GFX9DAGISEL:       ; %bb.0: ; %entry
+; GFX9DAGISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX9DAGISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX9DAGISEL-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX9DAGISEL-NEXT:    s_sub_i32 s5, 0, s4
+; GFX9DAGISEL-NEXT:    s_ashr_i32 s4, s5, 31
+; GFX9DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9DAGISEL-NEXT:    s_mul_i32 s6, s2, s4
+; GFX9DAGISEL-NEXT:    s_mul_i32 s4, s2, s5
+; GFX9DAGISEL-NEXT:    s_mul_hi_u32 s2, s2, s5
+; GFX9DAGISEL-NEXT:    s_mul_i32 s3, s3, s5
+; GFX9DAGISEL-NEXT:    s_add_u32 s2, s2, s3
+; GFX9DAGISEL-NEXT:    s_add_u32 s5, s2, s6
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v0, s4
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v1, s5
+; GFX9DAGISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX9DAGISEL-NEXT:    s_endpgm
+;
+; GFX9GISEL-LABEL: uniform_value_i64:
+; GFX9GISEL:       ; %bb.0: ; %entry
+; GFX9GISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX9GISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX9GISEL-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX9GISEL-NEXT:    s_sub_i32 s5, 0, s4
+; GFX9GISEL-NEXT:    s_ashr_i32 s4, s5, 31
+; GFX9GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9GISEL-NEXT:    s_mul_i32 s6, s2, s4
+; GFX9GISEL-NEXT:    s_mul_i32 s4, s2, s5
+; GFX9GISEL-NEXT:    s_mul_hi_u32 s2, s2, s5
+; GFX9GISEL-NEXT:    s_mul_i32 s3, s3, s5
+; GFX9GISEL-NEXT:    s_add_u32 s2, s2, s3
+; GFX9GISEL-NEXT:    s_add_u32 s5, s2, s6
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v0, s4
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v1, s5
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX9GISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX9GISEL-NEXT:    s_endpgm
+;
+; GFX1064DAGISEL-LABEL: uniform_value_i64:
+; GFX1064DAGISEL:       ; %bb.0: ; %entry
+; GFX1064DAGISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX1064DAGISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1064DAGISEL-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX1064DAGISEL-NEXT:    s_sub_i32 s4, 0, s4
+; GFX1064DAGISEL-NEXT:    s_ashr_i32 s5, s4, 31
+; GFX1064DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1064DAGISEL-NEXT:    s_mul_hi_u32 s6, s2, s4
+; GFX1064DAGISEL-NEXT:    s_mul_i32 s3, s3, s4
+; GFX1064DAGISEL-NEXT:    s_mul_i32 s5, s2, s5
+; GFX1064DAGISEL-NEXT:    s_add_u32 s3, s6, s3
+; GFX1064DAGISEL-NEXT:    s_mul_i32 s2, s2, s4
+; GFX1064DAGISEL-NEXT:    s_add_u32 s3, s3, s5
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1064DAGISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1064DAGISEL-NEXT:    s_endpgm
+;
+; GFX1064GISEL-LABEL: uniform_value_i64:
+; GFX1064GISEL:       ; %bb.0: ; %entry
+; GFX1064GISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX1064GISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1064GISEL-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX1064GISEL-NEXT:    s_sub_i32 s4, 0, s4
+; GFX1064GISEL-NEXT:    s_ashr_i32 s5, s4, 31
+; GFX1064GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1064GISEL-NEXT:    s_mul_hi_u32 s6, s2, s4
+; GFX1064GISEL-NEXT:    s_mul_i32 s3, s3, s4
+; GFX1064GISEL-NEXT:    s_mul_i32 s5, s2, s5
+; GFX1064GISEL-NEXT:    s_add_u32 s3, s6, s3
+; GFX1064GISEL-NEXT:    s_mul_i32 s2, s2, s4
+; GFX1064GISEL-NEXT:    s_add_u32 s3, s3, s5
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1064GISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1064GISEL-NEXT:    s_endpgm
+;
+; GFX1032DAGISEL-LABEL: uniform_value_i64:
+; GFX1032DAGISEL:       ; %bb.0: ; %entry
+; GFX1032DAGISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX1032DAGISEL-NEXT:    s_mov_b32 s4, exec_lo
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1032DAGISEL-NEXT:    s_bcnt1_i32_b32 s4, s4
+; GFX1032DAGISEL-NEXT:    s_sub_i32 s4, 0, s4
+; GFX1032DAGISEL-NEXT:    s_ashr_i32 s5, s4, 31
+; GFX1032DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1032DAGISEL-NEXT:    s_mul_hi_u32 s6, s2, s4
+; GFX1032DAGISEL-NEXT:    s_mul_i32 s3, s3, s4
+; GFX1032DAGISEL-NEXT:    s_mul_i32 s5, s2, s5
+; GFX1032DAGISEL-NEXT:    s_add_u32 s3, s6, s3
+; GFX1032DAGISEL-NEXT:    s_mul_i32 s2, s2, s4
+; GFX1032DAGISEL-NEXT:    s_add_u32 s3, s3, s5
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1032DAGISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1032DAGISEL-NEXT:    s_endpgm
+;
+; GFX1032GISEL-LABEL: uniform_value_i64:
+; GFX1032GISEL:       ; %bb.0: ; %entry
+; GFX1032GISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX1032GISEL-NEXT:    s_mov_b32 s4, exec_lo
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1032GISEL-NEXT:    s_bcnt1_i32_b32 s4, s4
+; GFX1032GISEL-NEXT:    s_sub_i32 s4, 0, s4
+; GFX1032GISEL-NEXT:    s_ashr_i32 s5, s4, 31
+; GFX1032GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1032GISEL-NEXT:    s_mul_hi_u32 s6, s2, s4
+; GFX1032GISEL-NEXT:    s_mul_i32 s3, s3, s4
+; GFX1032GISEL-NEXT:    s_mul_i32 s5, s2, s5
+; GFX1032GISEL-NEXT:    s_add_u32 s3, s6, s3
+; GFX1032GISEL-NEXT:    s_mul_i32 s2, s2, s4
+; GFX1032GISEL-NEXT:    s_add_u32 s3, s3, s5
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1032GISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1032GISEL-NEXT:    s_endpgm
+;
+; GFX1164DAGISEL-LABEL: uniform_value_i64:
+; GFX1164DAGISEL:       ; %bb.0: ; %entry
+; GFX1164DAGISEL-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX1164DAGISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1164DAGISEL-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX1164DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1164DAGISEL-NEXT:    s_sub_i32 s4, 0, s4
+; GFX1164DAGISEL-NEXT:    s_ashr_i32 s5, s4, 31
+; GFX1164DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1164DAGISEL-NEXT:    s_mul_hi_u32 s6, s2, s4
+; GFX1164DAGISEL-NEXT:    s_mul_i32 s3, s3, s4
+; GFX1164DAGISEL-NEXT:    s_mul_i32 s5, s2, s5
+; GFX1164DAGISEL-NEXT:    s_add_u32 s3, s6, s3
+; GFX1164DAGISEL-NEXT:    s_mul_i32 s2, s2, s4
+; GFX1164DAGISEL-NEXT:    s_add_u32 s3, s3, s5
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1164DAGISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1164DAGISEL-NEXT:    s_endpgm
+;
+; GFX1164GISEL-LABEL: uniform_value_i64:
+; GFX1164GISEL:       ; %bb.0: ; %entry
+; GFX1164GISEL-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX1164GISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1164GISEL-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX1164GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1164GISEL-NEXT:    s_sub_i32 s4, 0, s4
+; GFX1164GISEL-NEXT:    s_ashr_i32 s5, s4, 31
+; GFX1164GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1164GISEL-NEXT:    s_mul_hi_u32 s6, s2, s4
+; GFX1164GISEL-NEXT:    s_mul_i32 s3, s3, s4
+; GFX1164GISEL-NEXT:    s_mul_i32 s5, s2, s5
+; GFX1164GISEL-NEXT:    s_add_u32 s3, s6, s3
+; GFX1164GISEL-NEXT:    s_mul_i32 s2, s2, s4
+; GFX1164GISEL-NEXT:    s_add_u32 s3, s3, s5
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1164GISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1164GISEL-NEXT:    s_endpgm
+;
+; GFX1132DAGISEL-LABEL: uniform_value_i64:
+; GFX1132DAGISEL:       ; %bb.0: ; %entry
+; GFX1132DAGISEL-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX1132DAGISEL-NEXT:    s_mov_b32 s4, exec_lo
+; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1132DAGISEL-NEXT:    s_bcnt1_i32_b32 s4, s4
+; GFX1132DAGISEL-NEXT:    s_sub_i32 s4, 0, s4
+; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1132DAGISEL-NEXT:    s_ashr_i32 s5, s4, 31
+; GFX1132DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1132DAGISEL-NEXT:    s_mul_hi_u32 s6, s2, s4
+; GFX1132DAGISEL-NEXT:    s_mul_i32 s3, s3, s4
+; GFX1132DAGISEL-NEXT:    s_mul_i32 s5, s2, s5
+; GFX1132DAGISEL-NEXT:    s_add_u32 s3, s6, s3
+; GFX1132DAGISEL-NEXT:    s_mul_i32 s2, s2, s4
+; GFX1132DAGISEL-NEXT:    s_add_u32 s3, s3, s5
+; GFX1132DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1132DAGISEL-NEXT:    v_dual_mov_b32 v2, 0 :: v_dual_mov_b32 v1, s3
+; GFX1132DAGISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1132DAGISEL-NEXT:    s_endpgm
+;
+; GFX1132GISEL-LABEL: uniform_value_i64:
+; GFX1132GISEL:       ; %bb.0: ; %entry
+; GFX1132GISEL-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX1132GISEL-NEXT:    s_mov_b32 s4, exec_lo
+; GFX1132GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1132GISEL-NEXT:    s_bcnt1_i32_b32 s4, s4
+; GFX1132GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1132GISEL-NEXT:    s_sub_i32 s4, 0, s4
+; GFX1132GISEL-NEXT:    s_ashr_i32 s5, s4, 31
+; GFX1132GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1132GISEL-NEXT:    s_mul_hi_u32 s6, s2, s4
+; GFX1132GISEL-NEXT:    s_mul_i32 s3, s3, s4
+; GFX1132GISEL-NEXT:    s_mul_i32 s5, s2, s5
+; GFX1132GISEL-NEXT:    s_add_u32 s3, s6, s3
+; GFX1132GISEL-NEXT:    s_mul_i32 s2, s2, s4
+; GFX1132GISEL-NEXT:    s_add_u32 s3, s3, s5
+; GFX1132GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1132GISEL-NEXT:    v_dual_mov_b32 v0, s2 :: v_dual_mov_b32 v1, s3
+; GFX1132GISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1132GISEL-NEXT:    s_endpgm
+entry:
+  %result = call i64 @llvm.amdgcn.wave.reduce.sub.i64(i64 %in, i32 1)
+  store i64 %result, ptr addrspace(1) %out
+  ret void
+}
+
+define amdgpu_kernel void @const_value_i64(ptr addrspace(1) %out) {
+; GFX8DAGISEL-LABEL: const_value_i64:
+; GFX8DAGISEL:       ; %bb.0: ; %entry
+; GFX8DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX8DAGISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX8DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX8DAGISEL-NEXT:    s_sub_i32 s3, 0, s2
+; GFX8DAGISEL-NEXT:    s_ashr_i32 s2, s3, 31
+; GFX8DAGISEL-NEXT:    s_mul_i32 s4, s2, 0x7b
+; GFX8DAGISEL-NEXT:    s_mul_i32 s2, s3, 0x7b
+; GFX8DAGISEL-NEXT:    s_mul_hi_u32 s5, 0x7b, s3
+; GFX8DAGISEL-NEXT:    s_mul_i32 s3, s3, 0
+; GFX8DAGISEL-NEXT:    s_add_u32 s3, s5, s3
+; GFX8DAGISEL-NEXT:    s_add_u32 s3, s3, s4
+; GFX8DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v0, s0
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v2, s2
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v1, s1
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v3, s3
+; GFX8DAGISEL-NEXT:    flat_store_dwordx2 v[0:1], v[2:3]
+; GFX8DAGISEL-NEXT:    s_endpgm
+;
+; GFX8GISEL-LABEL: const_value_i64:
+; GFX8GISEL:       ; %bb.0: ; %entry
+; GFX8GISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX8GISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX8GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX8GISEL-NEXT:    s_sub_i32 s3, 0, s2
+; GFX8GISEL-NEXT:    s_ashr_i32 s2, s3, 31
+; GFX8GISEL-NEXT:    s_mul_i32 s4, s2, 0x7b
+; GFX8GISEL-NEXT:    s_mul_i32 s2, s3, 0x7b
+; GFX8GISEL-NEXT:    s_mul_hi_u32 s5, 0x7b, s3
+; GFX8GISEL-NEXT:    s_mul_i32 s3, s3, 0
+; GFX8GISEL-NEXT:    s_add_u32 s3, s5, s3
+; GFX8GISEL-NEXT:    s_add_u32 s3, s3, s4
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX8GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v3, s1
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v2, s0
+; GFX8GISEL-NEXT:    flat_store_dwordx2 v[2:3], v[0:1]
+; GFX8GISEL-NEXT:    s_endpgm
+;
+; GFX9DAGISEL-LABEL: const_value_i64:
+; GFX9DAGISEL:       ; %bb.0: ; %entry
+; GFX9DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX9DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX9DAGISEL-NEXT:    s_sub_i32 s3, 0, s2
+; GFX9DAGISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX9DAGISEL-NEXT:    s_ashr_i32 s2, s3, 31
+; GFX9DAGISEL-NEXT:    s_mul_i32 s4, s2, 0x7b
+; GFX9DAGISEL-NEXT:    s_mul_i32 s2, s3, 0x7b
+; GFX9DAGISEL-NEXT:    s_mul_hi_u32 s5, 0x7b, s3
+; GFX9DAGISEL-NEXT:    s_mul_i32 s3, s3, 0
+; GFX9DAGISEL-NEXT:    s_add_u32 s3, s5, s3
+; GFX9DAGISEL-NEXT:    s_add_u32 s3, s3, s4
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX9DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9DAGISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX9DAGISEL-NEXT:    s_endpgm
+;
+; GFX9GISEL-LABEL: const_value_i64:
+; GFX9GISEL:       ; %bb.0: ; %entry
+; GFX9GISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX9GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX9GISEL-NEXT:    s_sub_i32 s3, 0, s2
+; GFX9GISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX9GISEL-NEXT:    s_ashr_i32 s2, s3, 31
+; GFX9GISEL-NEXT:    s_mul_i32 s4, s2, 0x7b
+; GFX9GISEL-NEXT:    s_mul_i32 s2, s3, 0x7b
+; GFX9GISEL-NEXT:    s_mul_hi_u32 s5, 0x7b, s3
+; GFX9GISEL-NEXT:    s_mul_i32 s3, s3, 0
+; GFX9GISEL-NEXT:    s_add_u32 s3, s5, s3
+; GFX9GISEL-NEXT:    s_add_u32 s3, s3, s4
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX9GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9GISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX9GISEL-NEXT:    s_endpgm
+;
+; GFX1064DAGISEL-LABEL: const_value_i64:
+; GFX1064DAGISEL:       ; %bb.0: ; %entry
+; GFX1064DAGISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX1064DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1064DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX1064DAGISEL-NEXT:    s_sub_i32 s2, 0, s2
+; GFX1064DAGISEL-NEXT:    s_ashr_i32 s3, s2, 31
+; GFX1064DAGISEL-NEXT:    s_mul_hi_u32 s4, 0x7b, s2
+; GFX1064DAGISEL-NEXT:    s_mul_i32 s5, s2, 0
+; GFX1064DAGISEL-NEXT:    s_mulk_i32 s3, 0x7b
+; GFX1064DAGISEL-NEXT:    s_add_u32 s4, s4, s5
+; GFX1064DAGISEL-NEXT:    s_mulk_i32 s2, 0x7b
+; GFX1064DAGISEL-NEXT:    s_add_u32 s3, s4, s3
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1064DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1064DAGISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1064DAGISEL-NEXT:    s_endpgm
+;
+; GFX1064GISEL-LABEL: const_value_i64:
+; GFX1064GISEL:       ; %bb.0: ; %entry
+; GFX1064GISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX1064GISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1064GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX1064GISEL-NEXT:    s_sub_i32 s2, 0, s2
+; GFX1064GISEL-NEXT:    s_ashr_i32 s3, s2, 31
+; GFX1064GISEL-NEXT:    s_mul_hi_u32 s4, 0x7b, s2
+; GFX1064GISEL-NEXT:    s_mul_i32 s5, s2, 0
+; GFX1064GISEL-NEXT:    s_mulk_i32 s3, 0x7b
+; GFX1064GISEL-NEXT:    s_add_u32 s4, s4, s5
+; GFX1064GISEL-NEXT:    s_mulk_i32 s2, 0x7b
+; GFX1064GISEL-NEXT:    s_add_u32 s3, s4, s3
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1064GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1064GISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1064GISEL-NEXT:    s_endpgm
+;
+; GFX1032DAGISEL-LABEL: const_value_i64:
+; GFX1032DAGISEL:       ; %bb.0: ; %entry
+; GFX1032DAGISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX1032DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1032DAGISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX1032DAGISEL-NEXT:    s_sub_i32 s2, 0, s2
+; GFX1032DAGISEL-NEXT:    s_ashr_i32 s3, s2, 31
+; GFX1032DAGISEL-NEXT:    s_mul_hi_u32 s4, 0x7b, s2
+; GFX1032DAGISEL-NEXT:    s_mul_i32 s5, s2, 0
+; GFX1032DAGISEL-NEXT:    s_mulk_i32 s3, 0x7b
+; GFX1032DAGISEL-NEXT:    s_add_u32 s4, s4, s5
+; GFX1032DAGISEL-NEXT:    s_mulk_i32 s2, 0x7b
+; GFX1032DAGISEL-NEXT:    s_add_u32 s3, s4, s3
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1032DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1032DAGISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1032DAGISEL-NEXT:    s_endpgm
+;
+; GFX1032GISEL-LABEL: const_value_i64:
+; GFX1032GISEL:       ; %bb.0: ; %entry
+; GFX1032GISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX1032GISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1032GISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX1032GISEL-NEXT:    s_sub_i32 s2, 0, s2
+; GFX1032GISEL-NEXT:    s_ashr_i32 s3, s2, 31
+; GFX1032GISEL-NEXT:    s_mul_hi_u32 s4, 0x7b, s2
+; GFX1032GISEL-NEXT:    s_mul_i32 s5, s2, 0
+; GFX1032GISEL-NEXT:    s_mulk_i32 s3, 0x7b
+; GFX1032GISEL-NEXT:    s_add_u32 s4, s4, s5
+; GFX1032GISEL-NEXT:    s_mulk_i32 s2, 0x7b
+; GFX1032GISEL-NEXT:    s_add_u32 s3, s4, s3
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1032GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1032GISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1032GISEL-NEXT:    s_endpgm
+;
+; GFX1164DAGISEL-LABEL: const_value_i64:
+; GFX1164DAGISEL:       ; %bb.0: ; %entry
+; GFX1164DAGISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX1164DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1164DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX1164DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1164DAGISEL-NEXT:    s_sub_i32 s2, 0, s2
+; GFX1164DAGISEL-NEXT:    s_ashr_i32 s3, s2, 31
+; GFX1164DAGISEL-NEXT:    s_mul_hi_u32 s4, 0x7b, s2
+; GFX1164DAGISEL-NEXT:    s_mul_i32 s5, s2, 0
+; GFX1164DAGISEL-NEXT:    s_mulk_i32 s3, 0x7b
+; GFX1164DAGISEL-NEXT:    s_add_u32 s4, s4, s5
+; GFX1164DAGISEL-NEXT:    s_mulk_i32 s2, 0x7b
+; GFX1164DAGISEL-NEXT:    s_add_u32 s3, s4, s3
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1164DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1164DAGISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1164DAGISEL-NEXT:    s_endpgm
+;
+; GFX1164GISEL-LABEL: const_value_i64:
+; GFX1164GISEL:       ; %bb.0: ; %entry
+; GFX1164GISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX1164GISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1164GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX1164GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1164GISEL-NEXT:    s_sub_i32 s2, 0, s2
+; GFX1164GISEL-NEXT:    s_ashr_i32 s3, s2, 31
+; GFX1164GISEL-NEXT:    s_mul_hi_u32 s4, 0x7b, s2
+; GFX1164GISEL-NEXT:    s_mul_i32 s5, s2, 0
+; GFX1164GISEL-NEXT:    s_mulk_i32 s3, 0x7b
+; GFX1164GISEL-NEXT:    s_add_u32 s4, s4, s5
+; GFX1164GISEL-NEXT:    s_mulk_i32 s2, 0x7b
+; GFX1164GISEL-NEXT:    s_add_u32 s3, s4, s3
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1164GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1164GISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1164GISEL-NEXT:    s_endpgm
+;
+; GFX1132DAGISEL-LABEL: const_value_i64:
+; GFX1132DAGISEL:       ; %bb.0: ; %entry
+; GFX1132DAGISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX1132DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1132DAGISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX1132DAGISEL-NEXT:    s_sub_i32 s2, 0, s2
+; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1132DAGISEL-NEXT:    s_ashr_i32 s3, s2, 31
+; GFX1132DAGISEL-NEXT:    s_mul_hi_u32 s4, 0x7b, s2
+; GFX1132DAGISEL-NEXT:    s_mul_i32 s5, s2, 0
+; GFX1132DAGISEL-NEXT:    s_mulk_i32 s3, 0x7b
+; GFX1132DAGISEL-NEXT:    s_add_u32 s4, s4, s5
+; GFX1132DAGISEL-NEXT:    s_mulk_i32 s2, 0x7b
+; GFX1132DAGISEL-NEXT:    s_add_u32 s3, s4, s3
+; GFX1132DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1132DAGISEL-NEXT:    v_dual_mov_b32 v2, 0 :: v_dual_mov_b32 v1, s3
+; GFX1132DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1132DAGISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1132DAGISEL-NEXT:    s_endpgm
+;
+; GFX1132GISEL-LABEL: const_value_i64:
+; GFX1132GISEL:       ; %bb.0: ; %entry
+; GFX1132GISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX1132GISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX1132GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1132GISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX1132GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1132GISEL-NEXT:    s_sub_i32 s2, 0, s2
+; GFX1132GISEL-NEXT:    s_ashr_i32 s3, s2, 31
+; GFX1132GISEL-NEXT:    s_mul_hi_u32 s4, 0x7b, s2
+; GFX1132GISEL-NEXT:    s_mul_i32 s5, s2, 0
+; GFX1132GISEL-NEXT:    s_mulk_i32 s3, 0x7b
+; GFX1132GISEL-NEXT:    s_add_u32 s4, s4, s5
+; GFX1132GISEL-NEXT:    s_mulk_i32 s2, 0x7b
+; GFX1132GISEL-NEXT:    s_add_u32 s3, s4, s3
+; GFX1132GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1132GISEL-NEXT:    v_dual_mov_b32 v0, s2 :: v_dual_mov_b32 v1, s3
+; GFX1132GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1132GISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1132GISEL-NEXT:    s_endpgm
+entry:
+  %result = call i64 @llvm.amdgcn.wave.reduce.sub.i64(i64 123, i32 1)
+  store i64 %result, ptr addrspace(1) %out
+  ret void
+}
+
+define amdgpu_kernel void @poison_value_i64(ptr addrspace(1) %out, i64 %in) {
+; GFX8DAGISEL-LABEL: poison_value_i64:
+; GFX8DAGISEL:       ; %bb.0: ; %entry
+; GFX8DAGISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX8DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX8DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX8DAGISEL-NEXT:    s_sub_i32 s3, 0, s2
+; GFX8DAGISEL-NEXT:    s_ashr_i32 s2, s3, 31
+; GFX8DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX8DAGISEL-NEXT:    s_mul_i32 s4, s0, s2
+; GFX8DAGISEL-NEXT:    s_mul_i32 s2, s0, s3
+; GFX8DAGISEL-NEXT:    s_mul_hi_u32 s5, s0, s3
+; GFX8DAGISEL-NEXT:    s_mul_i32 s3, s1, s3
+; GFX8DAGISEL-NEXT:    s_add_u32 s3, s5, s3
+; GFX8DAGISEL-NEXT:    s_add_u32 s3, s3, s4
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v0, s0
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v2, s2
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v1, s1
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v3, s3
+; GFX8DAGISEL-NEXT:    flat_store_dwordx2 v[0:1], v[2:3]
+; GFX8DAGISEL-NEXT:    s_endpgm
+;
+; GFX8GISEL-LABEL: poison_value_i64:
+; GFX8GISEL:       ; %bb.0: ; %entry
+; GFX8GISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX8GISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX8GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX8GISEL-NEXT:    s_sub_i32 s3, 0, s2
+; GFX8GISEL-NEXT:    s_ashr_i32 s2, s3, 31
+; GFX8GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX8GISEL-NEXT:    s_mul_i32 s4, s0, s2
+; GFX8GISEL-NEXT:    s_mul_i32 s2, s0, s3
+; GFX8GISEL-NEXT:    s_mul_hi_u32 s5, s0, s3
+; GFX8GISEL-NEXT:    s_mul_i32 s3, s1, s3
+; GFX8GISEL-NEXT:    s_add_u32 s3, s5, s3
+; GFX8GISEL-NEXT:    s_add_u32 s3, s3, s4
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v3, s1
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v2, s0
+; GFX8GISEL-NEXT:    flat_store_dwordx2 v[2:3], v[0:1]
+; GFX8GISEL-NEXT:    s_endpgm
+;
+; GFX9DAGISEL-LABEL: poison_value_i64:
+; GFX9DAGISEL:       ; %bb.0: ; %entry
+; GFX9DAGISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX9DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX9DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX9DAGISEL-NEXT:    s_sub_i32 s3, 0, s2
+; GFX9DAGISEL-NEXT:    s_ashr_i32 s2, s3, 31
+; GFX9DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9DAGISEL-NEXT:    s_mul_i32 s4, s0, s2
+; GFX9DAGISEL-NEXT:    s_mul_i32 s2, s0, s3
+; GFX9DAGISEL-NEXT:    s_mul_hi_u32 s5, s0, s3
+; GFX9DAGISEL-NEXT:    s_mul_i32 s3, s1, s3
+; GFX9DAGISEL-NEXT:    s_add_u32 s3, s5, s3
+; GFX9DAGISEL-NEXT:    s_add_u32 s3, s3, s4
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX9DAGISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX9DAGISEL-NEXT:    s_endpgm
+;
+; GFX9GISEL-LABEL: poison_value_i64:
+; GFX9GISEL:       ; %bb.0: ; %entry
+; GFX9GISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX9GISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX9GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX9GISEL-NEXT:    s_sub_i32 s3, 0, s2
+; GFX9GISEL-NEXT:    s_ashr_i32 s2, s3, 31
+; GFX9GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9GISEL-NEXT:    s_mul_i32 s4, s0, s2
+; GFX9GISEL-NEXT:    s_mul_i32 s2, s0, s3
+; GFX9GISEL-NEXT:    s_mul_hi_u32 s5, s0, s3
+; GFX9GISEL-NEXT:    s_mul_i32 s3, s1, s3
+; GFX9GISEL-NEXT:    s_add_u32 s3, s5, s3
+; GFX9GISEL-NEXT:    s_add_u32 s3, s3, s4
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX9GISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX9GISEL-NEXT:    s_endpgm
+;
+; GFX1064DAGISEL-LABEL: poison_value_i64:
+; GFX1064DAGISEL:       ; %bb.0: ; %entry
+; GFX1064DAGISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX1064DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1064DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX1064DAGISEL-NEXT:    s_sub_i32 s2, 0, s2
+; GFX1064DAGISEL-NEXT:    s_ashr_i32 s3, s2, 31
+; GFX1064DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1064DAGISEL-NEXT:    s_mul_hi_u32 s4, s0, s2
+; GFX1064DAGISEL-NEXT:    s_mul_i32 s5, s1, s2
+; GFX1064DAGISEL-NEXT:    s_mul_i32 s3, s0, s3
+; GFX1064DAGISEL-NEXT:    s_add_u32 s4, s4, s5
+; GFX1064DAGISEL-NEXT:    s_mul_i32 s2, s0, s2
+; GFX1064DAGISEL-NEXT:    s_add_u32 s3, s4, s3
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1064DAGISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1064DAGISEL-NEXT:    s_endpgm
+;
+; GFX1064GISEL-LABEL: poison_value_i64:
+; GFX1064GISEL:       ; %bb.0: ; %entry
+; GFX1064GISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX1064GISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1064GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX1064GISEL-NEXT:    s_sub_i32 s2, 0, s2
+; GFX1064GISEL-NEXT:    s_ashr_i32 s3, s2, 31
+; GFX1064GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1064GISEL-NEXT:    s_mul_hi_u32 s4, s0, s2
+; GFX1064GISEL-NEXT:    s_mul_i32 s5, s1, s2
+; GFX1064GISEL-NEXT:    s_mul_i32 s3, s0, s3
+; GFX1064GISEL-NEXT:    s_add_u32 s4, s4, s5
+; GFX1064GISEL-NEXT:    s_mul_i32 s2, s0, s2
+; GFX1064GISEL-NEXT:    s_add_u32 s3, s4, s3
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1064GISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1064GISEL-NEXT:    s_endpgm
+;
+; GFX1032DAGISEL-LABEL: poison_value_i64:
+; GFX1032DAGISEL:       ; %bb.0: ; %entry
+; GFX1032DAGISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX1032DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1032DAGISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX1032DAGISEL-NEXT:    s_sub_i32 s2, 0, s2
+; GFX1032DAGISEL-NEXT:    s_ashr_i32 s3, s2, 31
+; GFX1032DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1032DAGISEL-NEXT:    s_mul_hi_u32 s4, s0, s2
+; GFX1032DAGISEL-NEXT:    s_mul_i32 s5, s1, s2
+; GFX1032DAGISEL-NEXT:    s_mul_i32 s3, s0, s3
+; GFX1032DAGISEL-NEXT:    s_add_u32 s4, s4, s5
+; GFX1032DAGISEL-NEXT:    s_mul_i32 s2, s0, s2
+; GFX1032DAGISEL-NEXT:    s_add_u32 s3, s4, s3
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1032DAGISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1032DAGISEL-NEXT:    s_endpgm
+;
+; GFX1032GISEL-LABEL: poison_value_i64:
+; GFX1032GISEL:       ; %bb.0: ; %entry
+; GFX1032GISEL-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
+; GFX1032GISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1032GISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX1032GISEL-NEXT:    s_sub_i32 s2, 0, s2
+; GFX1032GISEL-NEXT:    s_ashr_i32 s3, s2, 31
+; GFX1032GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1032GISEL-NEXT:    s_mul_hi_u32 s4, s0, s2
+; GFX1032GISEL-NEXT:    s_mul_i32 s5, s1, s2
+; GFX1032GISEL-NEXT:    s_mul_i32 s3, s0, s3
+; GFX1032GISEL-NEXT:    s_add_u32 s4, s4, s5
+; GFX1032GISEL-NEXT:    s_mul_i32 s2, s0, s2
+; GFX1032GISEL-NEXT:    s_add_u32 s3, s4, s3
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1032GISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1032GISEL-NEXT:    s_endpgm
+;
+; GFX1164DAGISEL-LABEL: poison_value_i64:
+; GFX1164DAGISEL:       ; %bb.0: ; %entry
+; GFX1164DAGISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX1164DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1164DAGISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX1164DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1164DAGISEL-NEXT:    s_sub_i32 s2, 0, s2
+; GFX1164DAGISEL-NEXT:    s_ashr_i32 s3, s2, 31
+; GFX1164DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1164DAGISEL-NEXT:    s_mul_hi_u32 s4, s0, s2
+; GFX1164DAGISEL-NEXT:    s_mul_i32 s5, s1, s2
+; GFX1164DAGISEL-NEXT:    s_mul_i32 s3, s0, s3
+; GFX1164DAGISEL-NEXT:    s_add_u32 s4, s4, s5
+; GFX1164DAGISEL-NEXT:    s_mul_i32 s2, s0, s2
+; GFX1164DAGISEL-NEXT:    s_add_u32 s3, s4, s3
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1164DAGISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1164DAGISEL-NEXT:    s_endpgm
+;
+; GFX1164GISEL-LABEL: poison_value_i64:
+; GFX1164GISEL:       ; %bb.0: ; %entry
+; GFX1164GISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX1164GISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1164GISEL-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX1164GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1164GISEL-NEXT:    s_sub_i32 s2, 0, s2
+; GFX1164GISEL-NEXT:    s_ashr_i32 s3, s2, 31
+; GFX1164GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1164GISEL-NEXT:    s_mul_hi_u32 s4, s0, s2
+; GFX1164GISEL-NEXT:    s_mul_i32 s5, s1, s2
+; GFX1164GISEL-NEXT:    s_mul_i32 s3, s0, s3
+; GFX1164GISEL-NEXT:    s_add_u32 s4, s4, s5
+; GFX1164GISEL-NEXT:    s_mul_i32 s2, s0, s2
+; GFX1164GISEL-NEXT:    s_add_u32 s3, s4, s3
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v1, s3
+; GFX1164GISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1164GISEL-NEXT:    s_endpgm
+;
+; GFX1132DAGISEL-LABEL: poison_value_i64:
+; GFX1132DAGISEL:       ; %bb.0: ; %entry
+; GFX1132DAGISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX1132DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1132DAGISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX1132DAGISEL-NEXT:    s_sub_i32 s2, 0, s2
+; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1132DAGISEL-NEXT:    s_ashr_i32 s3, s2, 31
+; GFX1132DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1132DAGISEL-NEXT:    s_mul_hi_u32 s4, s0, s2
+; GFX1132DAGISEL-NEXT:    s_mul_i32 s5, s1, s2
+; GFX1132DAGISEL-NEXT:    s_mul_i32 s3, s0, s3
+; GFX1132DAGISEL-NEXT:    s_add_u32 s4, s4, s5
+; GFX1132DAGISEL-NEXT:    s_mul_i32 s2, s0, s2
+; GFX1132DAGISEL-NEXT:    s_add_u32 s3, s4, s3
+; GFX1132DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX1132DAGISEL-NEXT:    v_dual_mov_b32 v2, 0 :: v_dual_mov_b32 v1, s3
+; GFX1132DAGISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1132DAGISEL-NEXT:    s_endpgm
+;
+; GFX1132GISEL-LABEL: poison_value_i64:
+; GFX1132GISEL:       ; %bb.0: ; %entry
+; GFX1132GISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX1132GISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX1132GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1132GISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX1132GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1132GISEL-NEXT:    s_sub_i32 s2, 0, s2
+; GFX1132GISEL-NEXT:    s_ashr_i32 s3, s2, 31
+; GFX1132GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1132GISEL-NEXT:    s_mul_hi_u32 s4, s0, s2
+; GFX1132GISEL-NEXT:    s_mul_i32 s5, s1, s2
+; GFX1132GISEL-NEXT:    s_mul_i32 s3, s0, s3
+; GFX1132GISEL-NEXT:    s_add_u32 s4, s4, s5
+; GFX1132GISEL-NEXT:    s_mul_i32 s2, s0, s2
+; GFX1132GISEL-NEXT:    s_add_u32 s3, s4, s3
+; GFX1132GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1132GISEL-NEXT:    v_dual_mov_b32 v0, s2 :: v_dual_mov_b32 v1, s3
+; GFX1132GISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1132GISEL-NEXT:    s_endpgm
+entry:
+  %result = call i64 @llvm.amdgcn.wave.reduce.sub.i64(i64 poison, i32 1)
+  store i64 %result, ptr addrspace(1) %out
+  ret void
+}
+
+define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
+; GFX8DAGISEL-LABEL: divergent_value_i64:
+; GFX8DAGISEL:       ; %bb.0: ; %entry
+; GFX8DAGISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX8DAGISEL-NEXT:    s_mov_b32 s4, 0
+; GFX8DAGISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX8DAGISEL-NEXT:    s_mov_b32 s5, s4
+; GFX8DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX8DAGISEL-NEXT:    s_ff1_i32_b64 s8, s[6:7]
+; GFX8DAGISEL-NEXT:    v_readlane_b32 s9, v2, s8
+; GFX8DAGISEL-NEXT:    v_readlane_b32 s10, v3, s8
+; GFX8DAGISEL-NEXT:    s_sub_u32 s4, s4, s9
+; GFX8DAGISEL-NEXT:    s_bitset0_b64 s[6:7], s8
+; GFX8DAGISEL-NEXT:    s_subb_u32 s5, s5, s10
+; GFX8DAGISEL-NEXT:    s_cmp_lg_u64 s[6:7], 0
+; GFX8DAGISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX8DAGISEL-NEXT:  ; %bb.2:
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v2, s4
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v3, s5
+; GFX8DAGISEL-NEXT:    flat_store_dwordx2 v[0:1], v[2:3]
+; GFX8DAGISEL-NEXT:    s_waitcnt vmcnt(0)
+; GFX8DAGISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX8GISEL-LABEL: divergent_value_i64:
+; GFX8GISEL:       ; %bb.0: ; %entry
+; GFX8GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX8GISEL-NEXT:    s_mov_b32 s4, 0
+; GFX8GISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX8GISEL-NEXT:    s_mov_b32 s5, s4
+; GFX8GISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX8GISEL-NEXT:    s_ff1_i32_b64 s8, s[6:7]
+; GFX8GISEL-NEXT:    v_readlane_b32 s9, v2, s8
+; GFX8GISEL-NEXT:    v_readlane_b32 s10, v3, s8
+; GFX8GISEL-NEXT:    s_sub_u32 s4, s4, s9
+; GFX8GISEL-NEXT:    s_bitset0_b64 s[6:7], s8
+; GFX8GISEL-NEXT:    s_subb_u32 s5, s5, s10
+; GFX8GISEL-NEXT:    s_cmp_lg_u64 s[6:7], 0
+; GFX8GISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX8GISEL-NEXT:  ; %bb.2:
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v2, s4
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v3, s5
+; GFX8GISEL-NEXT:    flat_store_dwordx2 v[0:1], v[2:3]
+; GFX8GISEL-NEXT:    s_waitcnt vmcnt(0)
+; GFX8GISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9DAGISEL-LABEL: divergent_value_i64:
+; GFX9DAGISEL:       ; %bb.0: ; %entry
+; GFX9DAGISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9DAGISEL-NEXT:    s_mov_b32 s4, 0
+; GFX9DAGISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX9DAGISEL-NEXT:    s_mov_b32 s5, s4
+; GFX9DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX9DAGISEL-NEXT:    s_ff1_i32_b64 s8, s[6:7]
+; GFX9DAGISEL-NEXT:    v_readlane_b32 s9, v2, s8
+; GFX9DAGISEL-NEXT:    v_readlane_b32 s10, v3, s8
+; GFX9DAGISEL-NEXT:    s_sub_u32 s4, s4, s9
+; GFX9DAGISEL-NEXT:    s_bitset0_b64 s[6:7], s8
+; GFX9DAGISEL-NEXT:    s_subb_u32 s5, s5, s10
+; GFX9DAGISEL-NEXT:    s_cmp_lg_u64 s[6:7], 0
+; GFX9DAGISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX9DAGISEL-NEXT:  ; %bb.2:
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v2, s4
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v3, s5
+; GFX9DAGISEL-NEXT:    global_store_dwordx2 v[0:1], v[2:3], off
+; GFX9DAGISEL-NEXT:    s_waitcnt vmcnt(0)
+; GFX9DAGISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9GISEL-LABEL: divergent_value_i64:
+; GFX9GISEL:       ; %bb.0: ; %entry
+; GFX9GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9GISEL-NEXT:    s_mov_b32 s4, 0
+; GFX9GISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX9GISEL-NEXT:    s_mov_b32 s5, s4
+; GFX9GISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX9GISEL-NEXT:    s_ff1_i32_b64 s8, s[6:7]
+; GFX9GISEL-NEXT:    v_readlane_b32 s9, v2, s8
+; GFX9GISEL-NEXT:    v_readlane_b32 s10, v3, s8
+; GFX9GISEL-NEXT:    s_sub_u32 s4, s4, s9
+; GFX9GISEL-NEXT:    s_bitset0_b64 s[6:7], s8
+; GFX9GISEL-NEXT:    s_subb_u32 s5, s5, s10
+; GFX9GISEL-NEXT:    s_cmp_lg_u64 s[6:7], 0
+; GFX9GISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX9GISEL-NEXT:  ; %bb.2:
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v2, s4
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v3, s5
+; GFX9GISEL-NEXT:    global_store_dwordx2 v[0:1], v[2:3], off
+; GFX9GISEL-NEXT:    s_waitcnt vmcnt(0)
+; GFX9GISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1064DAGISEL-LABEL: divergent_value_i64:
+; GFX1064DAGISEL:       ; %bb.0: ; %entry
+; GFX1064DAGISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1064DAGISEL-NEXT:    s_mov_b32 s4, 0
+; GFX1064DAGISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX1064DAGISEL-NEXT:    s_mov_b32 s5, s4
+; GFX1064DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX1064DAGISEL-NEXT:    s_ff1_i32_b64 s8, s[6:7]
+; GFX1064DAGISEL-NEXT:    v_readlane_b32 s9, v2, s8
+; GFX1064DAGISEL-NEXT:    v_readlane_b32 s10, v3, s8
+; GFX1064DAGISEL-NEXT:    s_bitset0_b64 s[6:7], s8
+; GFX1064DAGISEL-NEXT:    s_sub_u32 s4, s4, s9
+; GFX1064DAGISEL-NEXT:    s_subb_u32 s5, s5, s10
+; GFX1064DAGISEL-NEXT:    s_cmp_lg_u64 s[6:7], 0
+; GFX1064DAGISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX1064DAGISEL-NEXT:  ; %bb.2:
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v2, s4
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v3, s5
+; GFX1064DAGISEL-NEXT:    global_store_dwordx2 v[0:1], v[2:3], off
+; GFX1064DAGISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1064GISEL-LABEL: divergent_value_i64:
+; GFX1064GISEL:       ; %bb.0: ; %entry
+; GFX1064GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1064GISEL-NEXT:    s_mov_b32 s4, 0
+; GFX1064GISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX1064GISEL-NEXT:    s_mov_b32 s5, s4
+; GFX1064GISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX1064GISEL-NEXT:    s_ff1_i32_b64 s8, s[6:7]
+; GFX1064GISEL-NEXT:    v_readlane_b32 s9, v2, s8
+; GFX1064GISEL-NEXT:    v_readlane_b32 s10, v3, s8
+; GFX1064GISEL-NEXT:    s_bitset0_b64 s[6:7], s8
+; GFX1064GISEL-NEXT:    s_sub_u32 s4, s4, s9
+; GFX1064GISEL-NEXT:    s_subb_u32 s5, s5, s10
+; GFX1064GISEL-NEXT:    s_cmp_lg_u64 s[6:7], 0
+; GFX1064GISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX1064GISEL-NEXT:  ; %bb.2:
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v2, s4
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v3, s5
+; GFX1064GISEL-NEXT:    global_store_dwordx2 v[0:1], v[2:3], off
+; GFX1064GISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1032DAGISEL-LABEL: divergent_value_i64:
+; GFX1032DAGISEL:       ; %bb.0: ; %entry
+; GFX1032DAGISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1032DAGISEL-NEXT:    s_mov_b32 s4, 0
+; GFX1032DAGISEL-NEXT:    s_mov_b32 s6, exec_lo
+; GFX1032DAGISEL-NEXT:    s_mov_b32 s5, s4
+; GFX1032DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX1032DAGISEL-NEXT:    s_ff1_i32_b32 s7, s6
+; GFX1032DAGISEL-NEXT:    v_readlane_b32 s8, v2, s7
+; GFX1032DAGISEL-NEXT:    v_readlane_b32 s9, v3, s7
+; GFX1032DAGISEL-NEXT:    s_bitset0_b32 s6, s7
+; GFX1032DAGISEL-NEXT:    s_sub_u32 s4, s4, s8
+; GFX1032DAGISEL-NEXT:    s_subb_u32 s5, s5, s9
+; GFX1032DAGISEL-NEXT:    s_cmp_lg_u32 s6, 0
+; GFX1032DAGISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX1032DAGISEL-NEXT:  ; %bb.2:
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v2, s4
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v3, s5
+; GFX1032DAGISEL-NEXT:    global_store_dwordx2 v[0:1], v[2:3], off
+; GFX1032DAGISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1032GISEL-LABEL: divergent_value_i64:
+; GFX1032GISEL:       ; %bb.0: ; %entry
+; GFX1032GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1032GISEL-NEXT:    s_mov_b32 s4, 0
+; GFX1032GISEL-NEXT:    s_mov_b32 s6, exec_lo
+; GFX1032GISEL-NEXT:    s_mov_b32 s5, s4
+; GFX1032GISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX1032GISEL-NEXT:    s_ff1_i32_b32 s7, s6
+; GFX1032GISEL-NEXT:    v_readlane_b32 s8, v2, s7
+; GFX1032GISEL-NEXT:    v_readlane_b32 s9, v3, s7
+; GFX1032GISEL-NEXT:    s_bitset0_b32 s6, s7
+; GFX1032GISEL-NEXT:    s_sub_u32 s4, s4, s8
+; GFX1032GISEL-NEXT:    s_subb_u32 s5, s5, s9
+; GFX1032GISEL-NEXT:    s_cmp_lg_u32 s6, 0
+; GFX1032GISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX1032GISEL-NEXT:  ; %bb.2:
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v2, s4
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v3, s5
+; GFX1032GISEL-NEXT:    global_store_dwordx2 v[0:1], v[2:3], off
+; GFX1032GISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1164DAGISEL-LABEL: divergent_value_i64:
+; GFX1164DAGISEL:       ; %bb.0: ; %entry
+; GFX1164DAGISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1164DAGISEL-NEXT:    s_mov_b32 s0, 0
+; GFX1164DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX1164DAGISEL-NEXT:    s_mov_b32 s1, s0
+; GFX1164DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX1164DAGISEL-NEXT:    s_ctz_i32_b64 s4, s[2:3]
+; GFX1164DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1164DAGISEL-NEXT:    v_readlane_b32 s5, v2, s4
+; GFX1164DAGISEL-NEXT:    v_readlane_b32 s6, v3, s4
+; GFX1164DAGISEL-NEXT:    s_bitset0_b64 s[2:3], s4
+; GFX1164DAGISEL-NEXT:    s_sub_u32 s0, s0, s5
+; GFX1164DAGISEL-NEXT:    s_subb_u32 s1, s1, s6
+; GFX1164DAGISEL-NEXT:    s_cmp_lg_u64 s[2:3], 0
+; GFX1164DAGISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX1164DAGISEL-NEXT:  ; %bb.2:
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v3, s1
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v2, s0
+; GFX1164DAGISEL-NEXT:    global_store_b64 v[0:1], v[2:3], off
+; GFX1164DAGISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1164GISEL-LABEL: divergent_value_i64:
+; GFX1164GISEL:       ; %bb.0: ; %entry
+; GFX1164GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1164GISEL-NEXT:    s_mov_b32 s0, 0
+; GFX1164GISEL-NEXT:    s_mov_b64 s[2:3], exec
+; GFX1164GISEL-NEXT:    s_mov_b32 s1, s0
+; GFX1164GISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX1164GISEL-NEXT:    s_ctz_i32_b64 s4, s[2:3]
+; GFX1164GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1164GISEL-NEXT:    v_readlane_b32 s5, v2, s4
+; GFX1164GISEL-NEXT:    v_readlane_b32 s6, v3, s4
+; GFX1164GISEL-NEXT:    s_bitset0_b64 s[2:3], s4
+; GFX1164GISEL-NEXT:    s_sub_u32 s0, s0, s5
+; GFX1164GISEL-NEXT:    s_subb_u32 s1, s1, s6
+; GFX1164GISEL-NEXT:    s_cmp_lg_u64 s[2:3], 0
+; GFX1164GISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX1164GISEL-NEXT:  ; %bb.2:
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v3, s1
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v2, s0
+; GFX1164GISEL-NEXT:    global_store_b64 v[0:1], v[2:3], off
+; GFX1164GISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1132DAGISEL-LABEL: divergent_value_i64:
+; GFX1132DAGISEL:       ; %bb.0: ; %entry
+; GFX1132DAGISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1132DAGISEL-NEXT:    s_mov_b32 s0, 0
+; GFX1132DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX1132DAGISEL-NEXT:    s_mov_b32 s1, s0
+; GFX1132DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX1132DAGISEL-NEXT:    s_ctz_i32_b32 s3, s2
+; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1132DAGISEL-NEXT:    v_readlane_b32 s4, v2, s3
+; GFX1132DAGISEL-NEXT:    v_readlane_b32 s5, v3, s3
+; GFX1132DAGISEL-NEXT:    s_bitset0_b32 s2, s3
+; GFX1132DAGISEL-NEXT:    s_sub_u32 s0, s0, s4
+; GFX1132DAGISEL-NEXT:    s_subb_u32 s1, s1, s5
+; GFX1132DAGISEL-NEXT:    s_cmp_lg_u32 s2, 0
+; GFX1132DAGISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX1132DAGISEL-NEXT:  ; %bb.2:
+; GFX1132DAGISEL-NEXT:    v_dual_mov_b32 v3, s1 :: v_dual_mov_b32 v2, s0
+; GFX1132DAGISEL-NEXT:    global_store_b64 v[0:1], v[2:3], off
+; GFX1132DAGISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1132GISEL-LABEL: divergent_value_i64:
+; GFX1132GISEL:       ; %bb.0: ; %entry
+; GFX1132GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1132GISEL-NEXT:    s_mov_b32 s0, 0
+; GFX1132GISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX1132GISEL-NEXT:    s_mov_b32 s1, s0
+; GFX1132GISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX1132GISEL-NEXT:    s_ctz_i32_b32 s3, s2
+; GFX1132GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1132GISEL-NEXT:    v_readlane_b32 s4, v2, s3
+; GFX1132GISEL-NEXT:    v_readlane_b32 s5, v3, s3
+; GFX1132GISEL-NEXT:    s_bitset0_b32 s2, s3
+; GFX1132GISEL-NEXT:    s_sub_u32 s0, s0, s4
+; GFX1132GISEL-NEXT:    s_subb_u32 s1, s1, s5
+; GFX1132GISEL-NEXT:    s_cmp_lg_u32 s2, 0
+; GFX1132GISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX1132GISEL-NEXT:  ; %bb.2:
+; GFX1132GISEL-NEXT:    v_dual_mov_b32 v3, s1 :: v_dual_mov_b32 v2, s0
+; GFX1132GISEL-NEXT:    global_store_b64 v[0:1], v[2:3], off
+; GFX1132GISEL-NEXT:    s_setpc_b64 s[30:31]
+entry:
+  %result = call i64 @llvm.amdgcn.wave.reduce.sub.i64(i64 %id.x, i32 1)
+  store i64 %result, ptr addrspace(1) %out
+  ret void
+}
+
+define amdgpu_kernel void @divergent_cfg_i64(ptr addrspace(1) %out, i64 %in, i64 %in2) {
+; GFX8DAGISEL-LABEL: divergent_cfg_i64:
+; GFX8DAGISEL:       ; %bb.0: ; %entry
+; GFX8DAGISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX8DAGISEL-NEXT:    s_load_dwordx2 s[4:5], s[4:5], 0x34
+; GFX8DAGISEL-NEXT:    v_cmp_lt_u32_e32 vcc, 15, v0
+; GFX8DAGISEL-NEXT:    ; implicit-def: $sgpr6_sgpr7
+; GFX8DAGISEL-NEXT:    s_and_saveexec_b64 s[8:9], vcc
+; GFX8DAGISEL-NEXT:    s_xor_b64 s[8:9], exec, s[8:9]
+; GFX8DAGISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX8DAGISEL-NEXT:  ; %bb.1: ; %else
+; GFX8DAGISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX8DAGISEL-NEXT:    s_bcnt1_i32_b64 s6, s[6:7]
+; GFX8DAGISEL-NEXT:    s_sub_i32 s7, 0, s6
+; GFX8DAGISEL-NEXT:    s_ashr_i32 s6, s7, 31
+; GFX8DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX8DAGISEL-NEXT:    s_mul_i32 s10, s2, s6
+; GFX8DAGISEL-NEXT:    s_mul_i32 s6, s2, s7
+; GFX8DAGISEL-NEXT:    s_mul_hi_u32 s2, s2, s7
+; GFX8DAGISEL-NEXT:    s_mul_i32 s3, s3, s7
+; GFX8DAGISEL-NEXT:    s_add_u32 s2, s2, s3
+; GFX8DAGISEL-NEXT:    s_add_u32 s7, s2, s10
+; GFX8DAGISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX8DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX8DAGISEL-NEXT:    s_or_saveexec_b64 s[2:3], s[8:9]
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v0, s6
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v1, s7
+; GFX8DAGISEL-NEXT:    s_xor_b64 exec, exec, s[2:3]
+; GFX8DAGISEL-NEXT:    s_cbranch_execz .LBB9_4
+; GFX8DAGISEL-NEXT:  ; %bb.3: ; %if
+; GFX8DAGISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX8DAGISEL-NEXT:    s_bcnt1_i32_b64 s6, s[6:7]
+; GFX8DAGISEL-NEXT:    s_sub_i32 s7, 0, s6
+; GFX8DAGISEL-NEXT:    s_ashr_i32 s6, s7, 31
+; GFX8DAGISEL-NEXT:    s_mul_i32 s8, s4, s6
+; GFX8DAGISEL-NEXT:    s_mul_i32 s6, s4, s7
+; GFX8DAGISEL-NEXT:    s_mul_hi_u32 s4, s4, s7
+; GFX8DAGISEL-NEXT:    s_mul_i32 s5, s5, s7
+; GFX8DAGISEL-NEXT:    s_add_u32 s4, s4, s5
+; GFX8DAGISEL-NEXT:    s_add_u32 s7, s4, s8
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v0, s6
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v1, s7
+; GFX8DAGISEL-NEXT:  .LBB9_4: ; %endif
+; GFX8DAGISEL-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v2, s0
+; GFX8DAGISEL-NEXT:    v_mov_b32_e32 v3, s1
+; GFX8DAGISEL-NEXT:    flat_store_dwordx2 v[2:3], v[0:1]
+; GFX8DAGISEL-NEXT:    s_endpgm
+;
+; GFX8GISEL-LABEL: divergent_cfg_i64:
+; GFX8GISEL:       ; %bb.0: ; %entry
+; GFX8GISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX8GISEL-NEXT:    v_cmp_le_u32_e32 vcc, 16, v0
+; GFX8GISEL-NEXT:    ; implicit-def: $sgpr6_sgpr7
+; GFX8GISEL-NEXT:    s_and_saveexec_b64 s[8:9], vcc
+; GFX8GISEL-NEXT:    s_xor_b64 s[8:9], exec, s[8:9]
+; GFX8GISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX8GISEL-NEXT:  ; %bb.1: ; %else
+; GFX8GISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX8GISEL-NEXT:    s_bcnt1_i32_b64 s6, s[6:7]
+; GFX8GISEL-NEXT:    s_sub_i32 s7, 0, s6
+; GFX8GISEL-NEXT:    s_ashr_i32 s6, s7, 31
+; GFX8GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX8GISEL-NEXT:    s_mul_i32 s10, s2, s6
+; GFX8GISEL-NEXT:    s_mul_i32 s6, s2, s7
+; GFX8GISEL-NEXT:    s_mul_hi_u32 s2, s2, s7
+; GFX8GISEL-NEXT:    s_mul_i32 s3, s3, s7
+; GFX8GISEL-NEXT:    s_add_u32 s2, s2, s3
+; GFX8GISEL-NEXT:    s_add_u32 s7, s2, s10
+; GFX8GISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX8GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX8GISEL-NEXT:    s_andn2_saveexec_b64 s[2:3], s[8:9]
+; GFX8GISEL-NEXT:    s_cbranch_execz .LBB9_4
+; GFX8GISEL-NEXT:  ; %bb.3: ; %if
+; GFX8GISEL-NEXT:    s_load_dwordx2 s[4:5], s[4:5], 0x34
+; GFX8GISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX8GISEL-NEXT:    s_bcnt1_i32_b64 s6, s[6:7]
+; GFX8GISEL-NEXT:    s_sub_i32 s7, 0, s6
+; GFX8GISEL-NEXT:    s_ashr_i32 s6, s7, 31
+; GFX8GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX8GISEL-NEXT:    s_mul_i32 s8, s4, s6
+; GFX8GISEL-NEXT:    s_mul_i32 s6, s4, s7
+; GFX8GISEL-NEXT:    s_mul_hi_u32 s4, s4, s7
+; GFX8GISEL-NEXT:    s_mul_i32 s5, s5, s7
+; GFX8GISEL-NEXT:    s_add_u32 s4, s4, s5
+; GFX8GISEL-NEXT:    s_add_u32 s7, s4, s8
+; GFX8GISEL-NEXT:  .LBB9_4: ; %endif
+; GFX8GISEL-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v0, s6
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v3, s1
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v1, s7
+; GFX8GISEL-NEXT:    v_mov_b32_e32 v2, s0
+; GFX8GISEL-NEXT:    flat_store_dwordx2 v[2:3], v[0:1]
+; GFX8GISEL-NEXT:    s_endpgm
+;
+; GFX9DAGISEL-LABEL: divergent_cfg_i64:
+; GFX9DAGISEL:       ; %bb.0: ; %entry
+; GFX9DAGISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX9DAGISEL-NEXT:    s_load_dwordx2 s[6:7], s[4:5], 0x34
+; GFX9DAGISEL-NEXT:    v_cmp_lt_u32_e32 vcc, 15, v0
+; GFX9DAGISEL-NEXT:    ; implicit-def: $sgpr4_sgpr5
+; GFX9DAGISEL-NEXT:    s_and_saveexec_b64 s[8:9], vcc
+; GFX9DAGISEL-NEXT:    s_xor_b64 s[8:9], exec, s[8:9]
+; GFX9DAGISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX9DAGISEL-NEXT:  ; %bb.1: ; %else
+; GFX9DAGISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX9DAGISEL-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX9DAGISEL-NEXT:    s_sub_i32 s5, 0, s4
+; GFX9DAGISEL-NEXT:    s_ashr_i32 s4, s5, 31
+; GFX9DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9DAGISEL-NEXT:    s_mul_i32 s10, s2, s4
+; GFX9DAGISEL-NEXT:    s_mul_i32 s4, s2, s5
+; GFX9DAGISEL-NEXT:    s_mul_hi_u32 s2, s2, s5
+; GFX9DAGISEL-NEXT:    s_mul_i32 s3, s3, s5
+; GFX9DAGISEL-NEXT:    s_add_u32 s2, s2, s3
+; GFX9DAGISEL-NEXT:    s_add_u32 s5, s2, s10
+; GFX9DAGISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX9DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9DAGISEL-NEXT:    s_or_saveexec_b64 s[2:3], s[8:9]
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v0, s4
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v1, s5
+; GFX9DAGISEL-NEXT:    s_xor_b64 exec, exec, s[2:3]
+; GFX9DAGISEL-NEXT:    s_cbranch_execz .LBB9_4
+; GFX9DAGISEL-NEXT:  ; %bb.3: ; %if
+; GFX9DAGISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX9DAGISEL-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX9DAGISEL-NEXT:    s_sub_i32 s5, 0, s4
+; GFX9DAGISEL-NEXT:    s_ashr_i32 s4, s5, 31
+; GFX9DAGISEL-NEXT:    s_mul_i32 s8, s6, s4
+; GFX9DAGISEL-NEXT:    s_mul_i32 s4, s6, s5
+; GFX9DAGISEL-NEXT:    s_mul_hi_u32 s6, s6, s5
+; GFX9DAGISEL-NEXT:    s_mul_i32 s5, s7, s5
+; GFX9DAGISEL-NEXT:    s_add_u32 s5, s6, s5
+; GFX9DAGISEL-NEXT:    s_add_u32 s5, s5, s8
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v0, s4
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v1, s5
+; GFX9DAGISEL-NEXT:  .LBB9_4: ; %endif
+; GFX9DAGISEL-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX9DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX9DAGISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX9DAGISEL-NEXT:    s_endpgm
+;
+; GFX9GISEL-LABEL: divergent_cfg_i64:
+; GFX9GISEL:       ; %bb.0: ; %entry
+; GFX9GISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX9GISEL-NEXT:    v_cmp_le_u32_e32 vcc, 16, v0
+; GFX9GISEL-NEXT:    ; implicit-def: $sgpr6_sgpr7
+; GFX9GISEL-NEXT:    s_and_saveexec_b64 s[8:9], vcc
+; GFX9GISEL-NEXT:    s_xor_b64 s[8:9], exec, s[8:9]
+; GFX9GISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX9GISEL-NEXT:  ; %bb.1: ; %else
+; GFX9GISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX9GISEL-NEXT:    s_bcnt1_i32_b64 s6, s[6:7]
+; GFX9GISEL-NEXT:    s_sub_i32 s7, 0, s6
+; GFX9GISEL-NEXT:    s_ashr_i32 s6, s7, 31
+; GFX9GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9GISEL-NEXT:    s_mul_i32 s10, s2, s6
+; GFX9GISEL-NEXT:    s_mul_i32 s6, s2, s7
+; GFX9GISEL-NEXT:    s_mul_hi_u32 s2, s2, s7
+; GFX9GISEL-NEXT:    s_mul_i32 s3, s3, s7
+; GFX9GISEL-NEXT:    s_add_u32 s2, s2, s3
+; GFX9GISEL-NEXT:    s_add_u32 s7, s2, s10
+; GFX9GISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX9GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9GISEL-NEXT:    s_andn2_saveexec_b64 s[2:3], s[8:9]
+; GFX9GISEL-NEXT:    s_cbranch_execz .LBB9_4
+; GFX9GISEL-NEXT:  ; %bb.3: ; %if
+; GFX9GISEL-NEXT:    s_load_dwordx2 s[8:9], s[4:5], 0x34
+; GFX9GISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX9GISEL-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX9GISEL-NEXT:    s_sub_i32 s4, 0, s4
+; GFX9GISEL-NEXT:    s_ashr_i32 s5, s4, 31
+; GFX9GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9GISEL-NEXT:    s_mul_i32 s6, s8, s4
+; GFX9GISEL-NEXT:    s_mul_hi_u32 s7, s8, s4
+; GFX9GISEL-NEXT:    s_mul_i32 s4, s9, s4
+; GFX9GISEL-NEXT:    s_mul_i32 s5, s8, s5
+; GFX9GISEL-NEXT:    s_add_u32 s4, s7, s4
+; GFX9GISEL-NEXT:    s_add_u32 s7, s4, s5
+; GFX9GISEL-NEXT:  .LBB9_4: ; %endif
+; GFX9GISEL-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v0, s6
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v1, s7
+; GFX9GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX9GISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX9GISEL-NEXT:    s_endpgm
+;
+; GFX1064DAGISEL-LABEL: divergent_cfg_i64:
+; GFX1064DAGISEL:       ; %bb.0: ; %entry
+; GFX1064DAGISEL-NEXT:    s_clause 0x1
+; GFX1064DAGISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX1064DAGISEL-NEXT:    s_load_dwordx2 s[6:7], s[4:5], 0x34
+; GFX1064DAGISEL-NEXT:    v_cmp_lt_u32_e32 vcc, 15, v0
+; GFX1064DAGISEL-NEXT:    ; implicit-def: $sgpr8_sgpr9
+; GFX1064DAGISEL-NEXT:    s_and_saveexec_b64 s[4:5], vcc
+; GFX1064DAGISEL-NEXT:    s_xor_b64 s[4:5], exec, s[4:5]
+; GFX1064DAGISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX1064DAGISEL-NEXT:  ; %bb.1: ; %else
+; GFX1064DAGISEL-NEXT:    s_mov_b64 s[8:9], exec
+; GFX1064DAGISEL-NEXT:    s_bcnt1_i32_b64 s8, s[8:9]
+; GFX1064DAGISEL-NEXT:    s_sub_i32 s8, 0, s8
+; GFX1064DAGISEL-NEXT:    s_ashr_i32 s9, s8, 31
+; GFX1064DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1064DAGISEL-NEXT:    s_mul_hi_u32 s10, s2, s8
+; GFX1064DAGISEL-NEXT:    s_mul_i32 s3, s3, s8
+; GFX1064DAGISEL-NEXT:    s_mul_i32 s9, s2, s9
+; GFX1064DAGISEL-NEXT:    s_add_u32 s3, s10, s3
+; GFX1064DAGISEL-NEXT:    s_mul_i32 s8, s2, s8
+; GFX1064DAGISEL-NEXT:    s_add_u32 s9, s3, s9
+; GFX1064DAGISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX1064DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1064DAGISEL-NEXT:    s_or_saveexec_b64 s[2:3], s[4:5]
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v0, s8
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v1, s9
+; GFX1064DAGISEL-NEXT:    s_xor_b64 exec, exec, s[2:3]
+; GFX1064DAGISEL-NEXT:  ; %bb.3: ; %if
+; GFX1064DAGISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX1064DAGISEL-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX1064DAGISEL-NEXT:    s_sub_i32 s4, 0, s4
+; GFX1064DAGISEL-NEXT:    s_ashr_i32 s5, s4, 31
+; GFX1064DAGISEL-NEXT:    s_mul_hi_u32 s8, s6, s4
+; GFX1064DAGISEL-NEXT:    s_mul_i32 s7, s7, s4
+; GFX1064DAGISEL-NEXT:    s_mul_i32 s5, s6, s5
+; GFX1064DAGISEL-NEXT:    s_add_u32 s7, s8, s7
+; GFX1064DAGISEL-NEXT:    s_mul_i32 s4, s6, s4
+; GFX1064DAGISEL-NEXT:    s_add_u32 s5, s7, s5
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v0, s4
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v1, s5
+; GFX1064DAGISEL-NEXT:  ; %bb.4: ; %endif
+; GFX1064DAGISEL-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX1064DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1064DAGISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1064DAGISEL-NEXT:    s_endpgm
+;
+; GFX1064GISEL-LABEL: divergent_cfg_i64:
+; GFX1064GISEL:       ; %bb.0: ; %entry
+; GFX1064GISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX1064GISEL-NEXT:    v_cmp_le_u32_e32 vcc, 16, v0
+; GFX1064GISEL-NEXT:    ; implicit-def: $sgpr6_sgpr7
+; GFX1064GISEL-NEXT:    s_and_saveexec_b64 s[8:9], vcc
+; GFX1064GISEL-NEXT:    s_xor_b64 s[8:9], exec, s[8:9]
+; GFX1064GISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX1064GISEL-NEXT:  ; %bb.1: ; %else
+; GFX1064GISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX1064GISEL-NEXT:    s_bcnt1_i32_b64 s6, s[6:7]
+; GFX1064GISEL-NEXT:    s_sub_i32 s6, 0, s6
+; GFX1064GISEL-NEXT:    s_ashr_i32 s7, s6, 31
+; GFX1064GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1064GISEL-NEXT:    s_mul_hi_u32 s10, s2, s6
+; GFX1064GISEL-NEXT:    s_mul_i32 s3, s3, s6
+; GFX1064GISEL-NEXT:    s_mul_i32 s7, s2, s7
+; GFX1064GISEL-NEXT:    s_add_u32 s3, s10, s3
+; GFX1064GISEL-NEXT:    s_mul_i32 s6, s2, s6
+; GFX1064GISEL-NEXT:    s_add_u32 s7, s3, s7
+; GFX1064GISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX1064GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1064GISEL-NEXT:    s_andn2_saveexec_b64 s[2:3], s[8:9]
+; GFX1064GISEL-NEXT:    s_cbranch_execz .LBB9_4
+; GFX1064GISEL-NEXT:  ; %bb.3: ; %if
+; GFX1064GISEL-NEXT:    s_load_dwordx2 s[6:7], s[4:5], 0x34
+; GFX1064GISEL-NEXT:    s_mov_b64 s[4:5], exec
+; GFX1064GISEL-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX1064GISEL-NEXT:    s_sub_i32 s4, 0, s4
+; GFX1064GISEL-NEXT:    s_ashr_i32 s5, s4, 31
+; GFX1064GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1064GISEL-NEXT:    s_mul_hi_u32 s8, s6, s4
+; GFX1064GISEL-NEXT:    s_mul_i32 s7, s7, s4
+; GFX1064GISEL-NEXT:    s_mul_i32 s5, s6, s5
+; GFX1064GISEL-NEXT:    s_add_u32 s7, s8, s7
+; GFX1064GISEL-NEXT:    s_mul_i32 s6, s6, s4
+; GFX1064GISEL-NEXT:    s_add_u32 s7, s7, s5
+; GFX1064GISEL-NEXT:  .LBB9_4: ; %endif
+; GFX1064GISEL-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v0, s6
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v1, s7
+; GFX1064GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1064GISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1064GISEL-NEXT:    s_endpgm
+;
+; GFX1032DAGISEL-LABEL: divergent_cfg_i64:
+; GFX1032DAGISEL:       ; %bb.0: ; %entry
+; GFX1032DAGISEL-NEXT:    s_clause 0x1
+; GFX1032DAGISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX1032DAGISEL-NEXT:    s_load_dwordx2 s[6:7], s[4:5], 0x34
+; GFX1032DAGISEL-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 15, v0
+; GFX1032DAGISEL-NEXT:    ; implicit-def: $sgpr4_sgpr5
+; GFX1032DAGISEL-NEXT:    s_and_saveexec_b32 s8, vcc_lo
+; GFX1032DAGISEL-NEXT:    s_xor_b32 s8, exec_lo, s8
+; GFX1032DAGISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX1032DAGISEL-NEXT:  ; %bb.1: ; %else
+; GFX1032DAGISEL-NEXT:    s_mov_b32 s4, exec_lo
+; GFX1032DAGISEL-NEXT:    s_bcnt1_i32_b32 s4, s4
+; GFX1032DAGISEL-NEXT:    s_sub_i32 s4, 0, s4
+; GFX1032DAGISEL-NEXT:    s_ashr_i32 s5, s4, 31
+; GFX1032DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1032DAGISEL-NEXT:    s_mul_hi_u32 s9, s2, s4
+; GFX1032DAGISEL-NEXT:    s_mul_i32 s3, s3, s4
+; GFX1032DAGISEL-NEXT:    s_mul_i32 s5, s2, s5
+; GFX1032DAGISEL-NEXT:    s_add_u32 s3, s9, s3
+; GFX1032DAGISEL-NEXT:    s_mul_i32 s4, s2, s4
+; GFX1032DAGISEL-NEXT:    s_add_u32 s5, s3, s5
+; GFX1032DAGISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX1032DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1032DAGISEL-NEXT:    s_or_saveexec_b32 s2, s8
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v0, s4
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v1, s5
+; GFX1032DAGISEL-NEXT:    s_xor_b32 exec_lo, exec_lo, s2
+; GFX1032DAGISEL-NEXT:  ; %bb.3: ; %if
+; GFX1032DAGISEL-NEXT:    s_mov_b32 s3, exec_lo
+; GFX1032DAGISEL-NEXT:    s_bcnt1_i32_b32 s3, s3
+; GFX1032DAGISEL-NEXT:    s_sub_i32 s3, 0, s3
+; GFX1032DAGISEL-NEXT:    s_ashr_i32 s4, s3, 31
+; GFX1032DAGISEL-NEXT:    s_mul_hi_u32 s5, s6, s3
+; GFX1032DAGISEL-NEXT:    s_mul_i32 s7, s7, s3
+; GFX1032DAGISEL-NEXT:    s_mul_i32 s8, s6, s4
+; GFX1032DAGISEL-NEXT:    s_add_u32 s5, s5, s7
+; GFX1032DAGISEL-NEXT:    s_mul_i32 s4, s6, s3
+; GFX1032DAGISEL-NEXT:    s_add_u32 s5, s5, s8
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v0, s4
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v1, s5
+; GFX1032DAGISEL-NEXT:  ; %bb.4: ; %endif
+; GFX1032DAGISEL-NEXT:    s_or_b32 exec_lo, exec_lo, s2
+; GFX1032DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1032DAGISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1032DAGISEL-NEXT:    s_endpgm
+;
+; GFX1032GISEL-LABEL: divergent_cfg_i64:
+; GFX1032GISEL:       ; %bb.0: ; %entry
+; GFX1032GISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
+; GFX1032GISEL-NEXT:    v_cmp_le_u32_e32 vcc_lo, 16, v0
+; GFX1032GISEL-NEXT:    ; implicit-def: $sgpr6_sgpr7
+; GFX1032GISEL-NEXT:    s_and_saveexec_b32 s8, vcc_lo
+; GFX1032GISEL-NEXT:    s_xor_b32 s8, exec_lo, s8
+; GFX1032GISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX1032GISEL-NEXT:  ; %bb.1: ; %else
+; GFX1032GISEL-NEXT:    s_mov_b32 s6, exec_lo
+; GFX1032GISEL-NEXT:    s_bcnt1_i32_b32 s6, s6
+; GFX1032GISEL-NEXT:    s_sub_i32 s6, 0, s6
+; GFX1032GISEL-NEXT:    s_ashr_i32 s7, s6, 31
+; GFX1032GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1032GISEL-NEXT:    s_mul_hi_u32 s9, s2, s6
+; GFX1032GISEL-NEXT:    s_mul_i32 s3, s3, s6
+; GFX1032GISEL-NEXT:    s_mul_i32 s7, s2, s7
+; GFX1032GISEL-NEXT:    s_add_u32 s3, s9, s3
+; GFX1032GISEL-NEXT:    s_mul_i32 s6, s2, s6
+; GFX1032GISEL-NEXT:    s_add_u32 s7, s3, s7
+; GFX1032GISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX1032GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1032GISEL-NEXT:    s_andn2_saveexec_b32 s2, s8
+; GFX1032GISEL-NEXT:    s_cbranch_execz .LBB9_4
+; GFX1032GISEL-NEXT:  ; %bb.3: ; %if
+; GFX1032GISEL-NEXT:    s_load_dwordx2 s[6:7], s[4:5], 0x34
+; GFX1032GISEL-NEXT:    s_mov_b32 s3, exec_lo
+; GFX1032GISEL-NEXT:    s_bcnt1_i32_b32 s3, s3
+; GFX1032GISEL-NEXT:    s_sub_i32 s3, 0, s3
+; GFX1032GISEL-NEXT:    s_ashr_i32 s4, s3, 31
+; GFX1032GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1032GISEL-NEXT:    s_mul_hi_u32 s5, s6, s3
+; GFX1032GISEL-NEXT:    s_mul_i32 s7, s7, s3
+; GFX1032GISEL-NEXT:    s_mul_i32 s4, s6, s4
+; GFX1032GISEL-NEXT:    s_add_u32 s5, s5, s7
+; GFX1032GISEL-NEXT:    s_mul_i32 s6, s6, s3
+; GFX1032GISEL-NEXT:    s_add_u32 s7, s5, s4
+; GFX1032GISEL-NEXT:  .LBB9_4: ; %endif
+; GFX1032GISEL-NEXT:    s_or_b32 exec_lo, exec_lo, s2
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v0, s6
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v1, s7
+; GFX1032GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1032GISEL-NEXT:    global_store_dwordx2 v2, v[0:1], s[0:1]
+; GFX1032GISEL-NEXT:    s_endpgm
+;
+; GFX1164DAGISEL-LABEL: divergent_cfg_i64:
+; GFX1164DAGISEL:       ; %bb.0: ; %entry
+; GFX1164DAGISEL-NEXT:    s_clause 0x1
+; GFX1164DAGISEL-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX1164DAGISEL-NEXT:    s_load_b64 s[4:5], s[4:5], 0x34
+; GFX1164DAGISEL-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
+; GFX1164DAGISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX1164DAGISEL-NEXT:    ; implicit-def: $sgpr8_sgpr9
+; GFX1164DAGISEL-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX1164DAGISEL-NEXT:    v_cmpx_lt_u32_e32 15, v0
+; GFX1164DAGISEL-NEXT:    s_xor_b64 s[6:7], exec, s[6:7]
+; GFX1164DAGISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX1164DAGISEL-NEXT:  ; %bb.1: ; %else
+; GFX1164DAGISEL-NEXT:    s_mov_b64 s[8:9], exec
+; GFX1164DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1164DAGISEL-NEXT:    s_bcnt1_i32_b64 s8, s[8:9]
+; GFX1164DAGISEL-NEXT:    s_sub_i32 s8, 0, s8
+; GFX1164DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1164DAGISEL-NEXT:    s_ashr_i32 s9, s8, 31
+; GFX1164DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1164DAGISEL-NEXT:    s_mul_hi_u32 s10, s2, s8
+; GFX1164DAGISEL-NEXT:    s_mul_i32 s3, s3, s8
+; GFX1164DAGISEL-NEXT:    s_mul_i32 s9, s2, s9
+; GFX1164DAGISEL-NEXT:    s_add_u32 s3, s10, s3
+; GFX1164DAGISEL-NEXT:    s_mul_i32 s8, s2, s8
+; GFX1164DAGISEL-NEXT:    s_add_u32 s9, s3, s9
+; GFX1164DAGISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX1164DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1164DAGISEL-NEXT:    s_or_saveexec_b64 s[2:3], s[6:7]
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v0, s8
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v1, s9
+; GFX1164DAGISEL-NEXT:    s_xor_b64 exec, exec, s[2:3]
+; GFX1164DAGISEL-NEXT:  ; %bb.3: ; %if
+; GFX1164DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1164DAGISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX1164DAGISEL-NEXT:    s_bcnt1_i32_b64 s6, s[6:7]
+; GFX1164DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1164DAGISEL-NEXT:    s_sub_i32 s6, 0, s6
+; GFX1164DAGISEL-NEXT:    s_ashr_i32 s7, s6, 31
+; GFX1164DAGISEL-NEXT:    s_mul_hi_u32 s8, s4, s6
+; GFX1164DAGISEL-NEXT:    s_mul_i32 s5, s5, s6
+; GFX1164DAGISEL-NEXT:    s_mul_i32 s7, s4, s7
+; GFX1164DAGISEL-NEXT:    s_add_u32 s5, s8, s5
+; GFX1164DAGISEL-NEXT:    s_mul_i32 s4, s4, s6
+; GFX1164DAGISEL-NEXT:    s_add_u32 s5, s5, s7
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v0, s4
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v1, s5
+; GFX1164DAGISEL-NEXT:  ; %bb.4: ; %endif
+; GFX1164DAGISEL-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX1164DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1164DAGISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1164DAGISEL-NEXT:    s_endpgm
+;
+; GFX1164GISEL-LABEL: divergent_cfg_i64:
+; GFX1164GISEL:       ; %bb.0: ; %entry
+; GFX1164GISEL-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX1164GISEL-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
+; GFX1164GISEL-NEXT:    s_mov_b64 s[8:9], exec
+; GFX1164GISEL-NEXT:    ; implicit-def: $sgpr6_sgpr7
+; GFX1164GISEL-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX1164GISEL-NEXT:    v_cmpx_le_u32_e32 16, v0
+; GFX1164GISEL-NEXT:    s_xor_b64 s[8:9], exec, s[8:9]
+; GFX1164GISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX1164GISEL-NEXT:  ; %bb.1: ; %else
+; GFX1164GISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX1164GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1164GISEL-NEXT:    s_bcnt1_i32_b64 s6, s[6:7]
+; GFX1164GISEL-NEXT:    s_sub_i32 s6, 0, s6
+; GFX1164GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1164GISEL-NEXT:    s_ashr_i32 s7, s6, 31
+; GFX1164GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1164GISEL-NEXT:    s_mul_hi_u32 s10, s2, s6
+; GFX1164GISEL-NEXT:    s_mul_i32 s3, s3, s6
+; GFX1164GISEL-NEXT:    s_mul_i32 s7, s2, s7
+; GFX1164GISEL-NEXT:    s_add_u32 s3, s10, s3
+; GFX1164GISEL-NEXT:    s_mul_i32 s6, s2, s6
+; GFX1164GISEL-NEXT:    s_add_u32 s7, s3, s7
+; GFX1164GISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX1164GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1164GISEL-NEXT:    s_and_not1_saveexec_b64 s[2:3], s[8:9]
+; GFX1164GISEL-NEXT:    s_cbranch_execz .LBB9_4
+; GFX1164GISEL-NEXT:  ; %bb.3: ; %if
+; GFX1164GISEL-NEXT:    s_load_b64 s[4:5], s[4:5], 0x34
+; GFX1164GISEL-NEXT:    s_mov_b64 s[6:7], exec
+; GFX1164GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1164GISEL-NEXT:    s_bcnt1_i32_b64 s6, s[6:7]
+; GFX1164GISEL-NEXT:    s_sub_i32 s6, 0, s6
+; GFX1164GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1164GISEL-NEXT:    s_ashr_i32 s7, s6, 31
+; GFX1164GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1164GISEL-NEXT:    s_mul_hi_u32 s8, s4, s6
+; GFX1164GISEL-NEXT:    s_mul_i32 s5, s5, s6
+; GFX1164GISEL-NEXT:    s_mul_i32 s7, s4, s7
+; GFX1164GISEL-NEXT:    s_add_u32 s5, s8, s5
+; GFX1164GISEL-NEXT:    s_mul_i32 s6, s4, s6
+; GFX1164GISEL-NEXT:    s_add_u32 s7, s5, s7
+; GFX1164GISEL-NEXT:  .LBB9_4: ; %endif
+; GFX1164GISEL-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v0, s6
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v1, s7
+; GFX1164GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1164GISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1164GISEL-NEXT:    s_endpgm
+;
+; GFX1132DAGISEL-LABEL: divergent_cfg_i64:
+; GFX1132DAGISEL:       ; %bb.0: ; %entry
+; GFX1132DAGISEL-NEXT:    s_clause 0x1
+; GFX1132DAGISEL-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX1132DAGISEL-NEXT:    s_load_b64 s[4:5], s[4:5], 0x34
+; GFX1132DAGISEL-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
+; GFX1132DAGISEL-NEXT:    s_mov_b32 s8, exec_lo
+; GFX1132DAGISEL-NEXT:    ; implicit-def: $sgpr6_sgpr7
+; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX1132DAGISEL-NEXT:    v_cmpx_lt_u32_e32 15, v0
+; GFX1132DAGISEL-NEXT:    s_xor_b32 s8, exec_lo, s8
+; GFX1132DAGISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX1132DAGISEL-NEXT:  ; %bb.1: ; %else
+; GFX1132DAGISEL-NEXT:    s_mov_b32 s6, exec_lo
+; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1132DAGISEL-NEXT:    s_bcnt1_i32_b32 s6, s6
+; GFX1132DAGISEL-NEXT:    s_sub_i32 s6, 0, s6
+; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1132DAGISEL-NEXT:    s_ashr_i32 s7, s6, 31
+; GFX1132DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1132DAGISEL-NEXT:    s_mul_hi_u32 s9, s2, s6
+; GFX1132DAGISEL-NEXT:    s_mul_i32 s3, s3, s6
+; GFX1132DAGISEL-NEXT:    s_mul_i32 s7, s2, s7
+; GFX1132DAGISEL-NEXT:    s_add_u32 s3, s9, s3
+; GFX1132DAGISEL-NEXT:    s_mul_i32 s6, s2, s6
+; GFX1132DAGISEL-NEXT:    s_add_u32 s7, s3, s7
+; GFX1132DAGISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX1132DAGISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1132DAGISEL-NEXT:    s_or_saveexec_b32 s2, s8
+; GFX1132DAGISEL-NEXT:    v_dual_mov_b32 v0, s6 :: v_dual_mov_b32 v1, s7
+; GFX1132DAGISEL-NEXT:    s_xor_b32 exec_lo, exec_lo, s2
+; GFX1132DAGISEL-NEXT:  ; %bb.3: ; %if
+; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1132DAGISEL-NEXT:    s_mov_b32 s3, exec_lo
+; GFX1132DAGISEL-NEXT:    s_bcnt1_i32_b32 s3, s3
+; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1132DAGISEL-NEXT:    s_sub_i32 s3, 0, s3
+; GFX1132DAGISEL-NEXT:    s_ashr_i32 s6, s3, 31
+; GFX1132DAGISEL-NEXT:    s_mul_hi_u32 s7, s4, s3
+; GFX1132DAGISEL-NEXT:    s_mul_i32 s5, s5, s3
+; GFX1132DAGISEL-NEXT:    s_mul_i32 s6, s4, s6
+; GFX1132DAGISEL-NEXT:    s_add_u32 s5, s7, s5
+; GFX1132DAGISEL-NEXT:    s_mul_i32 s4, s4, s3
+; GFX1132DAGISEL-NEXT:    s_add_u32 s5, s5, s6
+; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1132DAGISEL-NEXT:    v_dual_mov_b32 v0, s4 :: v_dual_mov_b32 v1, s5
+; GFX1132DAGISEL-NEXT:  ; %bb.4: ; %endif
+; GFX1132DAGISEL-NEXT:    s_or_b32 exec_lo, exec_lo, s2
+; GFX1132DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1132DAGISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1132DAGISEL-NEXT:    s_endpgm
+;
+; GFX1132GISEL-LABEL: divergent_cfg_i64:
+; GFX1132GISEL:       ; %bb.0: ; %entry
+; GFX1132GISEL-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX1132GISEL-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
+; GFX1132GISEL-NEXT:    s_mov_b32 s8, exec_lo
+; GFX1132GISEL-NEXT:    ; implicit-def: $sgpr6_sgpr7
+; GFX1132GISEL-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX1132GISEL-NEXT:    v_cmpx_le_u32_e32 16, v0
+; GFX1132GISEL-NEXT:    s_xor_b32 s8, exec_lo, s8
+; GFX1132GISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX1132GISEL-NEXT:  ; %bb.1: ; %else
+; GFX1132GISEL-NEXT:    s_mov_b32 s6, exec_lo
+; GFX1132GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1132GISEL-NEXT:    s_bcnt1_i32_b32 s6, s6
+; GFX1132GISEL-NEXT:    s_sub_i32 s6, 0, s6
+; GFX1132GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1132GISEL-NEXT:    s_ashr_i32 s7, s6, 31
+; GFX1132GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1132GISEL-NEXT:    s_mul_hi_u32 s9, s2, s6
+; GFX1132GISEL-NEXT:    s_mul_i32 s3, s3, s6
+; GFX1132GISEL-NEXT:    s_mul_i32 s7, s2, s7
+; GFX1132GISEL-NEXT:    s_add_u32 s3, s9, s3
+; GFX1132GISEL-NEXT:    s_mul_i32 s6, s2, s6
+; GFX1132GISEL-NEXT:    s_add_u32 s7, s3, s7
+; GFX1132GISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX1132GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1132GISEL-NEXT:    s_and_not1_saveexec_b32 s2, s8
+; GFX1132GISEL-NEXT:    s_cbranch_execz .LBB9_4
+; GFX1132GISEL-NEXT:  ; %bb.3: ; %if
+; GFX1132GISEL-NEXT:    s_load_b64 s[4:5], s[4:5], 0x34
+; GFX1132GISEL-NEXT:    s_mov_b32 s3, exec_lo
+; GFX1132GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX1132GISEL-NEXT:    s_bcnt1_i32_b32 s3, s3
+; GFX1132GISEL-NEXT:    s_sub_i32 s3, 0, s3
+; GFX1132GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX1132GISEL-NEXT:    s_ashr_i32 s6, s3, 31
+; GFX1132GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX1132GISEL-NEXT:    s_mul_hi_u32 s7, s4, s3
+; GFX1132GISEL-NEXT:    s_mul_i32 s5, s5, s3
+; GFX1132GISEL-NEXT:    s_mul_i32 s8, s4, s6
+; GFX1132GISEL-NEXT:    s_add_u32 s5, s7, s5
+; GFX1132GISEL-NEXT:    s_mul_i32 s6, s4, s3
+; GFX1132GISEL-NEXT:    s_add_u32 s7, s5, s8
+; GFX1132GISEL-NEXT:  .LBB9_4: ; %endif
+; GFX1132GISEL-NEXT:    s_or_b32 exec_lo, exec_lo, s2
+; GFX1132GISEL-NEXT:    v_dual_mov_b32 v0, s6 :: v_dual_mov_b32 v1, s7
+; GFX1132GISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX1132GISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX1132GISEL-NEXT:    s_endpgm
+entry:
+  %tid = call i32 @llvm.amdgcn.workitem.id.x()
+  %d_cmp = icmp ult i32 %tid, 16
+  br i1 %d_cmp, label %if, label %else
+
+if:
+  %reducedValTid = call i64 @llvm.amdgcn.wave.reduce.sub.i64(i64 %in2, i32 1)
+  br label %endif
+
+else:
+  %reducedValIn = call i64 @llvm.amdgcn.wave.reduce.sub.i64(i64 %in, i32 1)
+  br label %endif
+
+endif:
+  %combine = phi i64 [%reducedValTid, %if], [%reducedValIn, %else]
+  store i64 %combine, ptr addrspace(1) %out
+  ret void
+}
 ;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
 ; GFX10DAGISEL: {{.*}}
 ; GFX10GISEL: {{.*}}

>From 6579973bcddecd7fc2761c29ffa45facfd22c8be Mon Sep 17 00:00:00 2001
From: Aaditya <Aaditya.AlokDeshpande at amd.com>
Date: Fri, 1 Aug 2025 16:45:12 +0530
Subject: [PATCH 2/4] Renaming Variables

---
 llvm/lib/Target/AMDGPU/SIISelLowering.cpp | 56 +++++++++++------------
 1 file changed, 28 insertions(+), 28 deletions(-)

diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
index fb33a7d98b968..f32480cc48a59 100644
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -5277,39 +5277,39 @@ static MachineBasicBlock *lowerWaveReduce(MachineInstr &MI,
       const TargetRegisterClass *WaveMaskRegClass = TRI->getWaveMaskRegClass();
       const TargetRegisterClass *DstRegClass = MRI.getRegClass(DstReg);
       Register ExecMask = MRI.createVirtualRegister(WaveMaskRegClass);
-      Register ActiveLanes =
+      Register NumActiveLanes =
           MRI.createVirtualRegister(&AMDGPU::SReg_32RegClass);
 
       bool IsWave32 = ST.isWave32();
       unsigned MovOpc = IsWave32 ? AMDGPU::S_MOV_B32 : AMDGPU::S_MOV_B64;
       MCRegister ExecReg = IsWave32 ? AMDGPU::EXEC_LO : AMDGPU::EXEC;
-      unsigned CountReg =
+      unsigned BitCountOpc =
           IsWave32 ? AMDGPU::S_BCNT1_I32_B32 : AMDGPU::S_BCNT1_I32_B64;
 
-          BuildMI(BB, MI, DL, TII->get(MovOpc), ExecMask).addReg(ExecReg);
-
-          auto NewAccumulator =
-              BuildMI(BB, MI, DL, TII->get(CountReg), ActiveLanes)
-                  .addReg(ExecMask);
-
-          switch (Opc) {
-          case AMDGPU::S_XOR_B32: {
-            // Performing an XOR operation on a uniform value
-            // depends on the parity of the number of active lanes.
-            // For even parity, the result will be 0, for odd
-            // parity the result will be the same as the input value.
-            Register ParityRegister =
-                MRI.createVirtualRegister(&AMDGPU::SReg_32RegClass);
-
-            BuildMI(BB, MI, DL, TII->get(AMDGPU::S_AND_B32), ParityRegister)
-                .addReg(NewAccumulator->getOperand(0).getReg())
-                .addImm(1)
-                .setOperandDead(3); // Dead scc
-            BuildMI(BB, MI, DL, TII->get(AMDGPU::S_MUL_I32), DstReg)
-                .addReg(SrcReg)
-                .addReg(ParityRegister);
-            break;
-          }
+      BuildMI(BB, MI, DL, TII->get(MovOpc), ExecMask).addReg(ExecReg);
+
+      auto NewAccumulator =
+          BuildMI(BB, MI, DL, TII->get(BitCountOpc), NumActiveLanes)
+              .addReg(ExecMask);
+
+      switch (Opc) {
+      case AMDGPU::S_XOR_B32: {
+        // Performing an XOR operation on a uniform value
+        // depends on the parity of the number of active lanes.
+        // For even parity, the result will be 0, for odd
+        // parity the result will be the same as the input value.
+        Register ParityRegister =
+            MRI.createVirtualRegister(&AMDGPU::SReg_32RegClass);
+
+        BuildMI(BB, MI, DL, TII->get(AMDGPU::S_AND_B32), ParityRegister)
+            .addReg(NewAccumulator->getOperand(0).getReg())
+            .addImm(1)
+            .setOperandDead(3); // Dead scc
+        BuildMI(BB, MI, DL, TII->get(AMDGPU::S_MUL_I32), DstReg)
+            .addReg(SrcReg)
+            .addReg(ParityRegister);
+        break;
+      }
       case AMDGPU::S_SUB_I32: {
         Register NegatedVal = MRI.createVirtualRegister(DstRegClass);
 
@@ -5548,8 +5548,8 @@ static MachineBasicBlock *lowerWaveReduce(MachineInstr &MI,
                              .addReg(Accumulator->getOperand(0).getReg());
         break;
       }
-      case ::AMDGPU::S_ADD_U64_PSEUDO:
-      case ::AMDGPU::S_SUB_U64_PSEUDO: {
+      case AMDGPU::S_ADD_U64_PSEUDO:
+      case AMDGPU::S_SUB_U64_PSEUDO: {
         unsigned newOpc1 = Opc == AMDGPU::S_ADD_U64_PSEUDO ? AMDGPU::S_ADD_U32
                                                            : AMDGPU::S_SUB_U32;
         unsigned newOpc2 = Opc == AMDGPU::S_ADD_U64_PSEUDO ? AMDGPU::S_ADDC_U32

>From 991f9b6ddffd1ba10480fb112e6bdf589b79cd5a Mon Sep 17 00:00:00 2001
From: Aaditya <Aaditya.AlokDeshpande at amd.com>
Date: Wed, 13 Aug 2025 18:22:54 +0530
Subject: [PATCH 3/4] Marking dead scc

---
 llvm/lib/Target/AMDGPU/SIISelLowering.cpp     | 19 ++++----
 .../CodeGen/AMDGPU/llvm.amdgcn.reduce.add.ll  | 44 +++++++------------
 .../CodeGen/AMDGPU/llvm.amdgcn.reduce.sub.ll  | 44 +++++++------------
 3 files changed, 43 insertions(+), 64 deletions(-)

diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
index f32480cc48a59..fdc3d28bf158c 100644
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -5203,9 +5203,7 @@ static uint32_t getIdentityValueFor32BitWaveReduction(unsigned Opc) {
   case AMDGPU::S_MAX_I32:
     return std::numeric_limits<int32_t>::min();
   case AMDGPU::S_ADD_I32:
-  case AMDGPU::S_ADD_U64_PSEUDO:
   case AMDGPU::S_SUB_I32:
-  case AMDGPU::S_SUB_U64_PSEUDO:
   case AMDGPU::S_OR_B32:
   case AMDGPU::S_XOR_B32:
     return std::numeric_limits<uint32_t>::min();
@@ -5227,6 +5225,9 @@ static uint64_t getIdentityValueFor64BitWaveReduction(unsigned Opc) {
     return std::numeric_limits<uint64_t>::min();
   case AMDGPU::V_CMP_GT_I64_e64: // max.i64
     return std::numeric_limits<int64_t>::min();
+  case AMDGPU::S_ADD_U64_PSEUDO:
+  case AMDGPU::S_SUB_U64_PSEUDO:
+    return std::numeric_limits<uint64_t>::min();
   default:
     llvm_unreachable(
         "Unexpected opcode in getIdentityValueFor64BitWaveReduction");
@@ -5355,7 +5356,8 @@ static MachineBasicBlock *lowerWaveReduce(MachineInstr &MI,
         if (Opc == AMDGPU::S_SUB_U64_PSEUDO) {
           BuildMI(BB, MI, DL, TII->get(AMDGPU::S_SUB_I32), NegatedValLo)
               .addImm(0)
-              .addReg(NewAccumulator->getOperand(0).getReg());
+              .addReg(NewAccumulator->getOperand(0).getReg())
+              .setOperandDead(3); // Dead scc
           BuildMI(BB, MI, DL, TII->get(AMDGPU::S_ASHR_I32), NegatedValHi)
               .addReg(NegatedValLo)
               .addImm(31)
@@ -5550,9 +5552,9 @@ static MachineBasicBlock *lowerWaveReduce(MachineInstr &MI,
       }
       case AMDGPU::S_ADD_U64_PSEUDO:
       case AMDGPU::S_SUB_U64_PSEUDO: {
-        unsigned newOpc1 = Opc == AMDGPU::S_ADD_U64_PSEUDO ? AMDGPU::S_ADD_U32
+        unsigned NewOpc1 = Opc == AMDGPU::S_ADD_U64_PSEUDO ? AMDGPU::S_ADD_U32
                                                            : AMDGPU::S_SUB_U32;
-        unsigned newOpc2 = Opc == AMDGPU::S_ADD_U64_PSEUDO ? AMDGPU::S_ADDC_U32
+        unsigned NewOpc2 = Opc == AMDGPU::S_ADD_U64_PSEUDO ? AMDGPU::S_ADDC_U32
                                                            : AMDGPU::S_SUBB_U32;
         Register DestLo = MRI.createVirtualRegister(&AMDGPU::SReg_32RegClass);
         Register DestHi = MRI.createVirtualRegister(&AMDGPU::SReg_32RegClass);
@@ -5562,12 +5564,13 @@ static MachineBasicBlock *lowerWaveReduce(MachineInstr &MI,
         MachineOperand Accumhi = TII->buildExtractSubRegOrImm(
             MI, MRI, Accumulator->getOperand(0), DstRegClass, AMDGPU::sub1,
             &AMDGPU::SReg_32RegClass);
-        BuildMI(*ComputeLoop, I, DL, TII->get(newOpc1), DestLo)
+        BuildMI(*ComputeLoop, I, DL, TII->get(NewOpc1), DestLo)
             .add(Accumlo)
             .addReg(LaneValueLo->getOperand(0).getReg());
-        BuildMI(*ComputeLoop, I, DL, TII->get(newOpc2), DestHi)
+        BuildMI(*ComputeLoop, I, DL, TII->get(NewOpc2), DestHi)
             .add(Accumhi)
-            .addReg(LaneValueHi->getOperand(0).getReg());
+            .addReg(LaneValueHi->getOperand(0).getReg())
+            .setOperandDead(3); // Dead scc
         NewAccumulator = BuildMI(*ComputeLoop, I, DL,
                                  TII->get(TargetOpcode::REG_SEQUENCE), DstReg)
                              .addReg(DestLo)
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.add.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.add.ll
index b6af8b4bb798d..0f38c69fe1786 100644
--- a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.add.ll
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.add.ll
@@ -1833,9 +1833,8 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX8DAGISEL-LABEL: divergent_value_i64:
 ; GFX8DAGISEL:       ; %bb.0: ; %entry
 ; GFX8DAGISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX8DAGISEL-NEXT:    s_mov_b32 s4, 0
+; GFX8DAGISEL-NEXT:    s_mov_b64 s[4:5], 0
 ; GFX8DAGISEL-NEXT:    s_mov_b64 s[6:7], exec
-; GFX8DAGISEL-NEXT:    s_mov_b32 s5, s4
 ; GFX8DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
 ; GFX8DAGISEL-NEXT:    s_ff1_i32_b64 s8, s[6:7]
 ; GFX8DAGISEL-NEXT:    v_readlane_b32 s9, v2, s8
@@ -1855,9 +1854,8 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX8GISEL-LABEL: divergent_value_i64:
 ; GFX8GISEL:       ; %bb.0: ; %entry
 ; GFX8GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX8GISEL-NEXT:    s_mov_b32 s4, 0
+; GFX8GISEL-NEXT:    s_mov_b64 s[4:5], 0
 ; GFX8GISEL-NEXT:    s_mov_b64 s[6:7], exec
-; GFX8GISEL-NEXT:    s_mov_b32 s5, s4
 ; GFX8GISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
 ; GFX8GISEL-NEXT:    s_ff1_i32_b64 s8, s[6:7]
 ; GFX8GISEL-NEXT:    v_readlane_b32 s9, v2, s8
@@ -1877,9 +1875,8 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX9DAGISEL-LABEL: divergent_value_i64:
 ; GFX9DAGISEL:       ; %bb.0: ; %entry
 ; GFX9DAGISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX9DAGISEL-NEXT:    s_mov_b32 s4, 0
+; GFX9DAGISEL-NEXT:    s_mov_b64 s[4:5], 0
 ; GFX9DAGISEL-NEXT:    s_mov_b64 s[6:7], exec
-; GFX9DAGISEL-NEXT:    s_mov_b32 s5, s4
 ; GFX9DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
 ; GFX9DAGISEL-NEXT:    s_ff1_i32_b64 s8, s[6:7]
 ; GFX9DAGISEL-NEXT:    v_readlane_b32 s9, v2, s8
@@ -1899,9 +1896,8 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX9GISEL-LABEL: divergent_value_i64:
 ; GFX9GISEL:       ; %bb.0: ; %entry
 ; GFX9GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX9GISEL-NEXT:    s_mov_b32 s4, 0
+; GFX9GISEL-NEXT:    s_mov_b64 s[4:5], 0
 ; GFX9GISEL-NEXT:    s_mov_b64 s[6:7], exec
-; GFX9GISEL-NEXT:    s_mov_b32 s5, s4
 ; GFX9GISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
 ; GFX9GISEL-NEXT:    s_ff1_i32_b64 s8, s[6:7]
 ; GFX9GISEL-NEXT:    v_readlane_b32 s9, v2, s8
@@ -1921,9 +1917,8 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX1064DAGISEL-LABEL: divergent_value_i64:
 ; GFX1064DAGISEL:       ; %bb.0: ; %entry
 ; GFX1064DAGISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1064DAGISEL-NEXT:    s_mov_b32 s4, 0
+; GFX1064DAGISEL-NEXT:    s_mov_b64 s[4:5], 0
 ; GFX1064DAGISEL-NEXT:    s_mov_b64 s[6:7], exec
-; GFX1064DAGISEL-NEXT:    s_mov_b32 s5, s4
 ; GFX1064DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
 ; GFX1064DAGISEL-NEXT:    s_ff1_i32_b64 s8, s[6:7]
 ; GFX1064DAGISEL-NEXT:    v_readlane_b32 s9, v2, s8
@@ -1942,9 +1937,8 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX1064GISEL-LABEL: divergent_value_i64:
 ; GFX1064GISEL:       ; %bb.0: ; %entry
 ; GFX1064GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1064GISEL-NEXT:    s_mov_b32 s4, 0
+; GFX1064GISEL-NEXT:    s_mov_b64 s[4:5], 0
 ; GFX1064GISEL-NEXT:    s_mov_b64 s[6:7], exec
-; GFX1064GISEL-NEXT:    s_mov_b32 s5, s4
 ; GFX1064GISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
 ; GFX1064GISEL-NEXT:    s_ff1_i32_b64 s8, s[6:7]
 ; GFX1064GISEL-NEXT:    v_readlane_b32 s9, v2, s8
@@ -1963,9 +1957,8 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX1032DAGISEL-LABEL: divergent_value_i64:
 ; GFX1032DAGISEL:       ; %bb.0: ; %entry
 ; GFX1032DAGISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1032DAGISEL-NEXT:    s_mov_b32 s4, 0
+; GFX1032DAGISEL-NEXT:    s_mov_b64 s[4:5], 0
 ; GFX1032DAGISEL-NEXT:    s_mov_b32 s6, exec_lo
-; GFX1032DAGISEL-NEXT:    s_mov_b32 s5, s4
 ; GFX1032DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
 ; GFX1032DAGISEL-NEXT:    s_ff1_i32_b32 s7, s6
 ; GFX1032DAGISEL-NEXT:    v_readlane_b32 s8, v2, s7
@@ -1984,9 +1977,8 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX1032GISEL-LABEL: divergent_value_i64:
 ; GFX1032GISEL:       ; %bb.0: ; %entry
 ; GFX1032GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1032GISEL-NEXT:    s_mov_b32 s4, 0
+; GFX1032GISEL-NEXT:    s_mov_b64 s[4:5], 0
 ; GFX1032GISEL-NEXT:    s_mov_b32 s6, exec_lo
-; GFX1032GISEL-NEXT:    s_mov_b32 s5, s4
 ; GFX1032GISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
 ; GFX1032GISEL-NEXT:    s_ff1_i32_b32 s7, s6
 ; GFX1032GISEL-NEXT:    v_readlane_b32 s8, v2, s7
@@ -2005,12 +1997,11 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX1164DAGISEL-LABEL: divergent_value_i64:
 ; GFX1164DAGISEL:       ; %bb.0: ; %entry
 ; GFX1164DAGISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1164DAGISEL-NEXT:    s_mov_b32 s0, 0
+; GFX1164DAGISEL-NEXT:    s_mov_b64 s[0:1], 0
 ; GFX1164DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
-; GFX1164DAGISEL-NEXT:    s_mov_b32 s1, s0
 ; GFX1164DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX1164DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
 ; GFX1164DAGISEL-NEXT:    s_ctz_i32_b64 s4, s[2:3]
-; GFX1164DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
 ; GFX1164DAGISEL-NEXT:    v_readlane_b32 s5, v2, s4
 ; GFX1164DAGISEL-NEXT:    v_readlane_b32 s6, v3, s4
 ; GFX1164DAGISEL-NEXT:    s_bitset0_b64 s[2:3], s4
@@ -2027,12 +2018,11 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX1164GISEL-LABEL: divergent_value_i64:
 ; GFX1164GISEL:       ; %bb.0: ; %entry
 ; GFX1164GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1164GISEL-NEXT:    s_mov_b32 s0, 0
+; GFX1164GISEL-NEXT:    s_mov_b64 s[0:1], 0
 ; GFX1164GISEL-NEXT:    s_mov_b64 s[2:3], exec
-; GFX1164GISEL-NEXT:    s_mov_b32 s1, s0
 ; GFX1164GISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX1164GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
 ; GFX1164GISEL-NEXT:    s_ctz_i32_b64 s4, s[2:3]
-; GFX1164GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
 ; GFX1164GISEL-NEXT:    v_readlane_b32 s5, v2, s4
 ; GFX1164GISEL-NEXT:    v_readlane_b32 s6, v3, s4
 ; GFX1164GISEL-NEXT:    s_bitset0_b64 s[2:3], s4
@@ -2049,12 +2039,11 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX1132DAGISEL-LABEL: divergent_value_i64:
 ; GFX1132DAGISEL:       ; %bb.0: ; %entry
 ; GFX1132DAGISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1132DAGISEL-NEXT:    s_mov_b32 s0, 0
+; GFX1132DAGISEL-NEXT:    s_mov_b64 s[0:1], 0
 ; GFX1132DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
-; GFX1132DAGISEL-NEXT:    s_mov_b32 s1, s0
 ; GFX1132DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
 ; GFX1132DAGISEL-NEXT:    s_ctz_i32_b32 s3, s2
-; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
 ; GFX1132DAGISEL-NEXT:    v_readlane_b32 s4, v2, s3
 ; GFX1132DAGISEL-NEXT:    v_readlane_b32 s5, v3, s3
 ; GFX1132DAGISEL-NEXT:    s_bitset0_b32 s2, s3
@@ -2070,12 +2059,11 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX1132GISEL-LABEL: divergent_value_i64:
 ; GFX1132GISEL:       ; %bb.0: ; %entry
 ; GFX1132GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1132GISEL-NEXT:    s_mov_b32 s0, 0
+; GFX1132GISEL-NEXT:    s_mov_b64 s[0:1], 0
 ; GFX1132GISEL-NEXT:    s_mov_b32 s2, exec_lo
-; GFX1132GISEL-NEXT:    s_mov_b32 s1, s0
 ; GFX1132GISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX1132GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
 ; GFX1132GISEL-NEXT:    s_ctz_i32_b32 s3, s2
-; GFX1132GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
 ; GFX1132GISEL-NEXT:    v_readlane_b32 s4, v2, s3
 ; GFX1132GISEL-NEXT:    v_readlane_b32 s5, v3, s3
 ; GFX1132GISEL-NEXT:    s_bitset0_b32 s2, s3
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.sub.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.sub.ll
index 9a0917133fc59..c60230e2d3092 100644
--- a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.sub.ll
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.sub.ll
@@ -2036,9 +2036,8 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX8DAGISEL-LABEL: divergent_value_i64:
 ; GFX8DAGISEL:       ; %bb.0: ; %entry
 ; GFX8DAGISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX8DAGISEL-NEXT:    s_mov_b32 s4, 0
+; GFX8DAGISEL-NEXT:    s_mov_b64 s[4:5], 0
 ; GFX8DAGISEL-NEXT:    s_mov_b64 s[6:7], exec
-; GFX8DAGISEL-NEXT:    s_mov_b32 s5, s4
 ; GFX8DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
 ; GFX8DAGISEL-NEXT:    s_ff1_i32_b64 s8, s[6:7]
 ; GFX8DAGISEL-NEXT:    v_readlane_b32 s9, v2, s8
@@ -2058,9 +2057,8 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX8GISEL-LABEL: divergent_value_i64:
 ; GFX8GISEL:       ; %bb.0: ; %entry
 ; GFX8GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX8GISEL-NEXT:    s_mov_b32 s4, 0
+; GFX8GISEL-NEXT:    s_mov_b64 s[4:5], 0
 ; GFX8GISEL-NEXT:    s_mov_b64 s[6:7], exec
-; GFX8GISEL-NEXT:    s_mov_b32 s5, s4
 ; GFX8GISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
 ; GFX8GISEL-NEXT:    s_ff1_i32_b64 s8, s[6:7]
 ; GFX8GISEL-NEXT:    v_readlane_b32 s9, v2, s8
@@ -2080,9 +2078,8 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX9DAGISEL-LABEL: divergent_value_i64:
 ; GFX9DAGISEL:       ; %bb.0: ; %entry
 ; GFX9DAGISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX9DAGISEL-NEXT:    s_mov_b32 s4, 0
+; GFX9DAGISEL-NEXT:    s_mov_b64 s[4:5], 0
 ; GFX9DAGISEL-NEXT:    s_mov_b64 s[6:7], exec
-; GFX9DAGISEL-NEXT:    s_mov_b32 s5, s4
 ; GFX9DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
 ; GFX9DAGISEL-NEXT:    s_ff1_i32_b64 s8, s[6:7]
 ; GFX9DAGISEL-NEXT:    v_readlane_b32 s9, v2, s8
@@ -2102,9 +2099,8 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX9GISEL-LABEL: divergent_value_i64:
 ; GFX9GISEL:       ; %bb.0: ; %entry
 ; GFX9GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX9GISEL-NEXT:    s_mov_b32 s4, 0
+; GFX9GISEL-NEXT:    s_mov_b64 s[4:5], 0
 ; GFX9GISEL-NEXT:    s_mov_b64 s[6:7], exec
-; GFX9GISEL-NEXT:    s_mov_b32 s5, s4
 ; GFX9GISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
 ; GFX9GISEL-NEXT:    s_ff1_i32_b64 s8, s[6:7]
 ; GFX9GISEL-NEXT:    v_readlane_b32 s9, v2, s8
@@ -2124,9 +2120,8 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX1064DAGISEL-LABEL: divergent_value_i64:
 ; GFX1064DAGISEL:       ; %bb.0: ; %entry
 ; GFX1064DAGISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1064DAGISEL-NEXT:    s_mov_b32 s4, 0
+; GFX1064DAGISEL-NEXT:    s_mov_b64 s[4:5], 0
 ; GFX1064DAGISEL-NEXT:    s_mov_b64 s[6:7], exec
-; GFX1064DAGISEL-NEXT:    s_mov_b32 s5, s4
 ; GFX1064DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
 ; GFX1064DAGISEL-NEXT:    s_ff1_i32_b64 s8, s[6:7]
 ; GFX1064DAGISEL-NEXT:    v_readlane_b32 s9, v2, s8
@@ -2145,9 +2140,8 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX1064GISEL-LABEL: divergent_value_i64:
 ; GFX1064GISEL:       ; %bb.0: ; %entry
 ; GFX1064GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1064GISEL-NEXT:    s_mov_b32 s4, 0
+; GFX1064GISEL-NEXT:    s_mov_b64 s[4:5], 0
 ; GFX1064GISEL-NEXT:    s_mov_b64 s[6:7], exec
-; GFX1064GISEL-NEXT:    s_mov_b32 s5, s4
 ; GFX1064GISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
 ; GFX1064GISEL-NEXT:    s_ff1_i32_b64 s8, s[6:7]
 ; GFX1064GISEL-NEXT:    v_readlane_b32 s9, v2, s8
@@ -2166,9 +2160,8 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX1032DAGISEL-LABEL: divergent_value_i64:
 ; GFX1032DAGISEL:       ; %bb.0: ; %entry
 ; GFX1032DAGISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1032DAGISEL-NEXT:    s_mov_b32 s4, 0
+; GFX1032DAGISEL-NEXT:    s_mov_b64 s[4:5], 0
 ; GFX1032DAGISEL-NEXT:    s_mov_b32 s6, exec_lo
-; GFX1032DAGISEL-NEXT:    s_mov_b32 s5, s4
 ; GFX1032DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
 ; GFX1032DAGISEL-NEXT:    s_ff1_i32_b32 s7, s6
 ; GFX1032DAGISEL-NEXT:    v_readlane_b32 s8, v2, s7
@@ -2187,9 +2180,8 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX1032GISEL-LABEL: divergent_value_i64:
 ; GFX1032GISEL:       ; %bb.0: ; %entry
 ; GFX1032GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1032GISEL-NEXT:    s_mov_b32 s4, 0
+; GFX1032GISEL-NEXT:    s_mov_b64 s[4:5], 0
 ; GFX1032GISEL-NEXT:    s_mov_b32 s6, exec_lo
-; GFX1032GISEL-NEXT:    s_mov_b32 s5, s4
 ; GFX1032GISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
 ; GFX1032GISEL-NEXT:    s_ff1_i32_b32 s7, s6
 ; GFX1032GISEL-NEXT:    v_readlane_b32 s8, v2, s7
@@ -2208,12 +2200,11 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX1164DAGISEL-LABEL: divergent_value_i64:
 ; GFX1164DAGISEL:       ; %bb.0: ; %entry
 ; GFX1164DAGISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1164DAGISEL-NEXT:    s_mov_b32 s0, 0
+; GFX1164DAGISEL-NEXT:    s_mov_b64 s[0:1], 0
 ; GFX1164DAGISEL-NEXT:    s_mov_b64 s[2:3], exec
-; GFX1164DAGISEL-NEXT:    s_mov_b32 s1, s0
 ; GFX1164DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX1164DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
 ; GFX1164DAGISEL-NEXT:    s_ctz_i32_b64 s4, s[2:3]
-; GFX1164DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
 ; GFX1164DAGISEL-NEXT:    v_readlane_b32 s5, v2, s4
 ; GFX1164DAGISEL-NEXT:    v_readlane_b32 s6, v3, s4
 ; GFX1164DAGISEL-NEXT:    s_bitset0_b64 s[2:3], s4
@@ -2230,12 +2221,11 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX1164GISEL-LABEL: divergent_value_i64:
 ; GFX1164GISEL:       ; %bb.0: ; %entry
 ; GFX1164GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1164GISEL-NEXT:    s_mov_b32 s0, 0
+; GFX1164GISEL-NEXT:    s_mov_b64 s[0:1], 0
 ; GFX1164GISEL-NEXT:    s_mov_b64 s[2:3], exec
-; GFX1164GISEL-NEXT:    s_mov_b32 s1, s0
 ; GFX1164GISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX1164GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
 ; GFX1164GISEL-NEXT:    s_ctz_i32_b64 s4, s[2:3]
-; GFX1164GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
 ; GFX1164GISEL-NEXT:    v_readlane_b32 s5, v2, s4
 ; GFX1164GISEL-NEXT:    v_readlane_b32 s6, v3, s4
 ; GFX1164GISEL-NEXT:    s_bitset0_b64 s[2:3], s4
@@ -2252,12 +2242,11 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX1132DAGISEL-LABEL: divergent_value_i64:
 ; GFX1132DAGISEL:       ; %bb.0: ; %entry
 ; GFX1132DAGISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1132DAGISEL-NEXT:    s_mov_b32 s0, 0
+; GFX1132DAGISEL-NEXT:    s_mov_b64 s[0:1], 0
 ; GFX1132DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
-; GFX1132DAGISEL-NEXT:    s_mov_b32 s1, s0
 ; GFX1132DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
 ; GFX1132DAGISEL-NEXT:    s_ctz_i32_b32 s3, s2
-; GFX1132DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
 ; GFX1132DAGISEL-NEXT:    v_readlane_b32 s4, v2, s3
 ; GFX1132DAGISEL-NEXT:    v_readlane_b32 s5, v3, s3
 ; GFX1132DAGISEL-NEXT:    s_bitset0_b32 s2, s3
@@ -2273,12 +2262,11 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX1132GISEL-LABEL: divergent_value_i64:
 ; GFX1132GISEL:       ; %bb.0: ; %entry
 ; GFX1132GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1132GISEL-NEXT:    s_mov_b32 s0, 0
+; GFX1132GISEL-NEXT:    s_mov_b64 s[0:1], 0
 ; GFX1132GISEL-NEXT:    s_mov_b32 s2, exec_lo
-; GFX1132GISEL-NEXT:    s_mov_b32 s1, s0
 ; GFX1132GISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX1132GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
 ; GFX1132GISEL-NEXT:    s_ctz_i32_b32 s3, s2
-; GFX1132GISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
 ; GFX1132GISEL-NEXT:    v_readlane_b32 s4, v2, s3
 ; GFX1132GISEL-NEXT:    v_readlane_b32 s5, v3, s3
 ; GFX1132GISEL-NEXT:    s_bitset0_b32 s2, s3

>From 163ae0d91ec36ebad18aa0b1a746345aa044588e Mon Sep 17 00:00:00 2001
From: Aaditya <Aaditya.AlokDeshpande at amd.com>
Date: Wed, 20 Aug 2025 14:55:18 +0530
Subject: [PATCH 4/4] Checking for targets with native 64-bit `add`/`sub`
 support

---
 llvm/lib/Target/AMDGPU/SIISelLowering.cpp     |  62 +++--
 .../CodeGen/AMDGPU/llvm.amdgcn.reduce.add.ll  | 219 +++++++++++++++
 .../CodeGen/AMDGPU/llvm.amdgcn.reduce.sub.ll  | 250 ++++++++++++++++++
 3 files changed, 506 insertions(+), 25 deletions(-)

diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
index fdc3d28bf158c..cfef149dc26d0 100644
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -5552,31 +5552,43 @@ static MachineBasicBlock *lowerWaveReduce(MachineInstr &MI,
       }
       case AMDGPU::S_ADD_U64_PSEUDO:
       case AMDGPU::S_SUB_U64_PSEUDO: {
-        unsigned NewOpc1 = Opc == AMDGPU::S_ADD_U64_PSEUDO ? AMDGPU::S_ADD_U32
-                                                           : AMDGPU::S_SUB_U32;
-        unsigned NewOpc2 = Opc == AMDGPU::S_ADD_U64_PSEUDO ? AMDGPU::S_ADDC_U32
-                                                           : AMDGPU::S_SUBB_U32;
-        Register DestLo = MRI.createVirtualRegister(&AMDGPU::SReg_32RegClass);
-        Register DestHi = MRI.createVirtualRegister(&AMDGPU::SReg_32RegClass);
-        MachineOperand Accumlo = TII->buildExtractSubRegOrImm(
-            MI, MRI, Accumulator->getOperand(0), DstRegClass, AMDGPU::sub0,
-            &AMDGPU::SReg_32RegClass);
-        MachineOperand Accumhi = TII->buildExtractSubRegOrImm(
-            MI, MRI, Accumulator->getOperand(0), DstRegClass, AMDGPU::sub1,
-            &AMDGPU::SReg_32RegClass);
-        BuildMI(*ComputeLoop, I, DL, TII->get(NewOpc1), DestLo)
-            .add(Accumlo)
-            .addReg(LaneValueLo->getOperand(0).getReg());
-        BuildMI(*ComputeLoop, I, DL, TII->get(NewOpc2), DestHi)
-            .add(Accumhi)
-            .addReg(LaneValueHi->getOperand(0).getReg())
-            .setOperandDead(3); // Dead scc
-        NewAccumulator = BuildMI(*ComputeLoop, I, DL,
-                                 TII->get(TargetOpcode::REG_SEQUENCE), DstReg)
-                             .addReg(DestLo)
-                             .addImm(AMDGPU::sub0)
-                             .addReg(DestHi)
-                             .addImm(AMDGPU::sub1);
+        if (ST.hasScalarAddSub64()) {
+          NewAccumulator = BuildMI(*ComputeLoop, I, DL,
+                                   TII->get(Opc == AMDGPU::S_ADD_U64_PSEUDO
+                                                ? AMDGPU::S_ADD_U64
+                                                : AMDGPU::S_SUB_U64),
+                                   DstReg)
+                               .addReg(Accumulator->getOperand(0).getReg())
+                               .addReg(LaneValue->getOperand(0).getReg());
+        } else {
+          unsigned NewOpc1 = Opc == AMDGPU::S_ADD_U64_PSEUDO
+                                 ? AMDGPU::S_ADD_U32
+                                 : AMDGPU::S_SUB_U32;
+          unsigned NewOpc2 = Opc == AMDGPU::S_ADD_U64_PSEUDO
+                                 ? AMDGPU::S_ADDC_U32
+                                 : AMDGPU::S_SUBB_U32;
+          Register DestLo = MRI.createVirtualRegister(&AMDGPU::SReg_32RegClass);
+          Register DestHi = MRI.createVirtualRegister(&AMDGPU::SReg_32RegClass);
+          MachineOperand Accumlo = TII->buildExtractSubRegOrImm(
+              MI, MRI, Accumulator->getOperand(0), DstRegClass, AMDGPU::sub0,
+              &AMDGPU::SReg_32RegClass);
+          MachineOperand Accumhi = TII->buildExtractSubRegOrImm(
+              MI, MRI, Accumulator->getOperand(0), DstRegClass, AMDGPU::sub1,
+              &AMDGPU::SReg_32RegClass);
+          BuildMI(*ComputeLoop, I, DL, TII->get(NewOpc1), DestLo)
+              .add(Accumlo)
+              .addReg(LaneValueLo->getOperand(0).getReg());
+          BuildMI(*ComputeLoop, I, DL, TII->get(NewOpc2), DestHi)
+              .add(Accumhi)
+              .addReg(LaneValueHi->getOperand(0).getReg())
+              .setOperandDead(3); // Dead scc
+          NewAccumulator = BuildMI(*ComputeLoop, I, DL,
+                                   TII->get(TargetOpcode::REG_SEQUENCE), DstReg)
+                               .addReg(DestLo)
+                               .addImm(AMDGPU::sub0)
+                               .addReg(DestHi)
+                               .addImm(AMDGPU::sub1);
+        }
         break;
       }
       }
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.add.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.add.ll
index 0f38c69fe1786..5f303e30c923b 100644
--- a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.add.ll
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.add.ll
@@ -11,6 +11,7 @@
 ; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -global-isel=1 -mattr=+wavefrontsize64 < %s | FileCheck -check-prefixes=GFX11GISEL,GFX1164GISEL %s
 ; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -global-isel=0 < %s | FileCheck -check-prefixes=GFX11DAGISEL,GFX1132DAGISEL %s
 ; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -global-isel=1 < %s | FileCheck -check-prefixes=GFX11GISEL,GFX1132GISEL %s
+; RUN: llc -mtriple=amdgcn -mcpu=gfx1200 -global-isel=0 < %s | FileCheck -check-prefixes=GFX12DAGISEL %s
 
 define amdgpu_kernel void @uniform_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX8DAGISEL-LABEL: uniform_value:
@@ -181,6 +182,18 @@ define amdgpu_kernel void @uniform_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX1132GISEL-NEXT:    v_mov_b32_e32 v0, s2
 ; GFX1132GISEL-NEXT:    global_store_b32 v1, v0, s[0:1]
 ; GFX1132GISEL-NEXT:    s_endpgm
+;
+; GFX12DAGISEL-LABEL: uniform_value:
+; GFX12DAGISEL:       ; %bb.0: ; %entry
+; GFX12DAGISEL-NEXT:    s_load_b96 s[0:2], s[4:5], 0x24
+; GFX12DAGISEL-NEXT:    s_mov_b32 s3, exec_lo
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_2) | instid1(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    s_bcnt1_i32_b32 s3, s3
+; GFX12DAGISEL-NEXT:    s_wait_kmcnt 0x0
+; GFX12DAGISEL-NEXT:    s_mul_i32 s2, s2, s3
+; GFX12DAGISEL-NEXT:    v_dual_mov_b32 v0, 0 :: v_dual_mov_b32 v1, s2
+; GFX12DAGISEL-NEXT:    global_store_b32 v0, v1, s[0:1]
+; GFX12DAGISEL-NEXT:    s_endpgm
 entry:
   %result = call i32 @llvm.amdgcn.wave.reduce.add.i32(i32 %in, i32 1)
   store i32 %result, ptr addrspace(1) %out
@@ -337,6 +350,19 @@ define amdgpu_kernel void @const_value(ptr addrspace(1) %out) {
 ; GFX1132GISEL-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX1132GISEL-NEXT:    global_store_b32 v1, v0, s[0:1]
 ; GFX1132GISEL-NEXT:    s_endpgm
+;
+; GFX12DAGISEL-LABEL: const_value:
+; GFX12DAGISEL:       ; %bb.0: ; %entry
+; GFX12DAGISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX12DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX12DAGISEL-NEXT:    s_mulk_i32 s2, 0x7b
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    v_dual_mov_b32 v0, 0 :: v_dual_mov_b32 v1, s2
+; GFX12DAGISEL-NEXT:    s_wait_kmcnt 0x0
+; GFX12DAGISEL-NEXT:    global_store_b32 v0, v1, s[0:1]
+; GFX12DAGISEL-NEXT:    s_endpgm
 entry:
   %result = call i32 @llvm.amdgcn.wave.reduce.add.i32(i32 123, i32 1)
   store i32 %result, ptr addrspace(1) %out
@@ -492,6 +518,18 @@ define amdgpu_kernel void @poison_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX1132GISEL-NEXT:    v_mov_b32_e32 v0, s2
 ; GFX1132GISEL-NEXT:    global_store_b32 v1, v0, s[0:1]
 ; GFX1132GISEL-NEXT:    s_endpgm
+;
+; GFX12DAGISEL-LABEL: poison_value:
+; GFX12DAGISEL:       ; %bb.0: ; %entry
+; GFX12DAGISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX12DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_2) | instid1(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX12DAGISEL-NEXT:    s_wait_kmcnt 0x0
+; GFX12DAGISEL-NEXT:    s_mul_i32 s2, s0, s2
+; GFX12DAGISEL-NEXT:    v_dual_mov_b32 v0, 0 :: v_dual_mov_b32 v1, s2
+; GFX12DAGISEL-NEXT:    global_store_b32 v0, v1, s[0:1]
+; GFX12DAGISEL-NEXT:    s_endpgm
 entry:
   %result = call i32 @llvm.amdgcn.wave.reduce.add.i32(i32 poison, i32 1)
   store i32 %result, ptr addrspace(1) %out
@@ -734,6 +772,26 @@ define amdgpu_kernel void @divergent_value(ptr addrspace(1) %out) {
 ; GFX1132GISEL-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX1132GISEL-NEXT:    global_store_b32 v1, v0, s[0:1]
 ; GFX1132GISEL-NEXT:    s_endpgm
+;
+; GFX12DAGISEL-LABEL: divergent_value:
+; GFX12DAGISEL:       ; %bb.0: ; %entry
+; GFX12DAGISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX12DAGISEL-NEXT:    v_dual_mov_b32 v1, 0 :: v_dual_and_b32 v0, 0x3ff, v0
+; GFX12DAGISEL-NEXT:    s_mov_b32 s3, exec_lo
+; GFX12DAGISEL-NEXT:    s_mov_b32 s2, 0
+; GFX12DAGISEL-NEXT:  .LBB3_1: ; =>This Inner Loop Header: Depth=1
+; GFX12DAGISEL-NEXT:    s_ctz_i32_b32 s4, s3
+; GFX12DAGISEL-NEXT:    s_wait_alu 0xfffe
+; GFX12DAGISEL-NEXT:    v_readlane_b32 s5, v0, s4
+; GFX12DAGISEL-NEXT:    s_bitset0_b32 s3, s4
+; GFX12DAGISEL-NEXT:    s_add_co_i32 s2, s2, s5
+; GFX12DAGISEL-NEXT:    s_cmp_lg_u32 s3, 0
+; GFX12DAGISEL-NEXT:    s_cbranch_scc1 .LBB3_1
+; GFX12DAGISEL-NEXT:  ; %bb.2:
+; GFX12DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX12DAGISEL-NEXT:    s_wait_kmcnt 0x0
+; GFX12DAGISEL-NEXT:    global_store_b32 v1, v0, s[0:1]
+; GFX12DAGISEL-NEXT:    s_endpgm
 entry:
   %id.x = call i32 @llvm.amdgcn.workitem.id.x()
   %result = call i32 @llvm.amdgcn.wave.reduce.add.i32(i32 %id.x, i32 1)
@@ -1208,6 +1266,50 @@ define amdgpu_kernel void @divergent_cfg(ptr addrspace(1) %out, i32 %in) {
 ; GFX1132GISEL-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX1132GISEL-NEXT:    global_store_b32 v1, v0, s[2:3]
 ; GFX1132GISEL-NEXT:    s_endpgm
+;
+; GFX12DAGISEL-LABEL: divergent_cfg:
+; GFX12DAGISEL:       ; %bb.0: ; %entry
+; GFX12DAGISEL-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
+; GFX12DAGISEL-NEXT:    s_mov_b32 s0, exec_lo
+; GFX12DAGISEL-NEXT:    ; implicit-def: $sgpr1
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX12DAGISEL-NEXT:    v_cmpx_lt_u32_e32 15, v0
+; GFX12DAGISEL-NEXT:    s_xor_b32 s0, exec_lo, s0
+; GFX12DAGISEL-NEXT:    s_cbranch_execz .LBB4_2
+; GFX12DAGISEL-NEXT:  ; %bb.1: ; %else
+; GFX12DAGISEL-NEXT:    s_load_b32 s1, s[4:5], 0x2c
+; GFX12DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX12DAGISEL-NEXT:    ; implicit-def: $vgpr0
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX12DAGISEL-NEXT:    s_wait_kmcnt 0x0
+; GFX12DAGISEL-NEXT:    s_mul_i32 s1, s1, s2
+; GFX12DAGISEL-NEXT:  .LBB4_2: ; %Flow
+; GFX12DAGISEL-NEXT:    s_or_saveexec_b32 s0, s0
+; GFX12DAGISEL-NEXT:    v_mov_b32_e32 v1, s1
+; GFX12DAGISEL-NEXT:    s_xor_b32 exec_lo, exec_lo, s0
+; GFX12DAGISEL-NEXT:    s_cbranch_execz .LBB4_6
+; GFX12DAGISEL-NEXT:  ; %bb.3: ; %if
+; GFX12DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX12DAGISEL-NEXT:    s_mov_b32 s1, 0
+; GFX12DAGISEL-NEXT:  .LBB4_4: ; =>This Inner Loop Header: Depth=1
+; GFX12DAGISEL-NEXT:    s_ctz_i32_b32 s3, s2
+; GFX12DAGISEL-NEXT:    s_wait_alu 0xfffe
+; GFX12DAGISEL-NEXT:    v_readlane_b32 s6, v0, s3
+; GFX12DAGISEL-NEXT:    s_bitset0_b32 s2, s3
+; GFX12DAGISEL-NEXT:    s_add_co_i32 s1, s1, s6
+; GFX12DAGISEL-NEXT:    s_wait_alu 0xfffe
+; GFX12DAGISEL-NEXT:    s_cmp_lg_u32 s2, 0
+; GFX12DAGISEL-NEXT:    s_cbranch_scc1 .LBB4_4
+; GFX12DAGISEL-NEXT:  ; %bb.5:
+; GFX12DAGISEL-NEXT:    v_mov_b32_e32 v1, s1
+; GFX12DAGISEL-NEXT:  .LBB4_6: ; %endif
+; GFX12DAGISEL-NEXT:    s_or_b32 exec_lo, exec_lo, s0
+; GFX12DAGISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX12DAGISEL-NEXT:    v_mov_b32_e32 v0, 0
+; GFX12DAGISEL-NEXT:    s_wait_kmcnt 0x0
+; GFX12DAGISEL-NEXT:    global_store_b32 v0, v1, s[0:1]
+; GFX12DAGISEL-NEXT:    s_endpgm
 entry:
   %tid = call i32 @llvm.amdgcn.workitem.id.x()
   %d_cmp = icmp ult i32 %tid, 16
@@ -1421,6 +1523,22 @@ define amdgpu_kernel void @uniform_value_i64(ptr addrspace(1) %out, i64 %in) {
 ; GFX1132GISEL-NEXT:    v_dual_mov_b32 v0, s2 :: v_dual_mov_b32 v1, s3
 ; GFX1132GISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
 ; GFX1132GISEL-NEXT:    s_endpgm
+;
+; GFX12DAGISEL-LABEL: uniform_value_i64:
+; GFX12DAGISEL:       ; %bb.0: ; %entry
+; GFX12DAGISEL-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX12DAGISEL-NEXT:    s_mov_b32 s4, exec_lo
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    s_bcnt1_i32_b32 s4, s4
+; GFX12DAGISEL-NEXT:    s_wait_kmcnt 0x0
+; GFX12DAGISEL-NEXT:    s_mul_hi_u32 s5, s2, s4
+; GFX12DAGISEL-NEXT:    s_mul_i32 s3, s3, s4
+; GFX12DAGISEL-NEXT:    s_mul_i32 s2, s2, s4
+; GFX12DAGISEL-NEXT:    s_add_co_u32 s3, s5, s3
+; GFX12DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX12DAGISEL-NEXT:    v_dual_mov_b32 v2, 0 :: v_dual_mov_b32 v1, s3
+; GFX12DAGISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX12DAGISEL-NEXT:    s_endpgm
 entry:
   %result = call i64 @llvm.amdgcn.wave.reduce.add.i64(i64 %in, i32 1)
   store i64 %result, ptr addrspace(1) %out
@@ -1623,6 +1741,22 @@ define amdgpu_kernel void @const_value_i64(ptr addrspace(1) %out) {
 ; GFX1132GISEL-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX1132GISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
 ; GFX1132GISEL-NEXT:    s_endpgm
+;
+; GFX12DAGISEL-LABEL: const_value_i64:
+; GFX12DAGISEL:       ; %bb.0: ; %entry
+; GFX12DAGISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX12DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX12DAGISEL-NEXT:    s_mul_hi_u32 s3, 0x7b, s2
+; GFX12DAGISEL-NEXT:    s_mul_i32 s4, s2, 0
+; GFX12DAGISEL-NEXT:    s_mulk_i32 s2, 0x7b
+; GFX12DAGISEL-NEXT:    s_add_co_u32 s3, s3, s4
+; GFX12DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX12DAGISEL-NEXT:    v_dual_mov_b32 v2, 0 :: v_dual_mov_b32 v1, s3
+; GFX12DAGISEL-NEXT:    s_wait_kmcnt 0x0
+; GFX12DAGISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX12DAGISEL-NEXT:    s_endpgm
 entry:
   %result = call i64 @llvm.amdgcn.wave.reduce.add.i64(i64 123, i32 1)
   store i64 %result, ptr addrspace(1) %out
@@ -1823,6 +1957,22 @@ define amdgpu_kernel void @poison_value_i64(ptr addrspace(1) %out, i64 %in) {
 ; GFX1132GISEL-NEXT:    v_dual_mov_b32 v0, s2 :: v_dual_mov_b32 v1, s3
 ; GFX1132GISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
 ; GFX1132GISEL-NEXT:    s_endpgm
+;
+; GFX12DAGISEL-LABEL: poison_value_i64:
+; GFX12DAGISEL:       ; %bb.0: ; %entry
+; GFX12DAGISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX12DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX12DAGISEL-NEXT:    s_wait_kmcnt 0x0
+; GFX12DAGISEL-NEXT:    s_mul_hi_u32 s3, s0, s2
+; GFX12DAGISEL-NEXT:    s_mul_i32 s4, s1, s2
+; GFX12DAGISEL-NEXT:    s_mul_i32 s2, s0, s2
+; GFX12DAGISEL-NEXT:    s_add_co_u32 s3, s3, s4
+; GFX12DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX12DAGISEL-NEXT:    v_dual_mov_b32 v2, 0 :: v_dual_mov_b32 v1, s3
+; GFX12DAGISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX12DAGISEL-NEXT:    s_endpgm
 entry:
   %result = call i64 @llvm.amdgcn.wave.reduce.add.i64(i64 poison, i32 1)
   store i64 %result, ptr addrspace(1) %out
@@ -2075,6 +2225,32 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX1132GISEL-NEXT:    v_dual_mov_b32 v3, s1 :: v_dual_mov_b32 v2, s0
 ; GFX1132GISEL-NEXT:    global_store_b64 v[0:1], v[2:3], off
 ; GFX1132GISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX12DAGISEL-LABEL: divergent_value_i64:
+; GFX12DAGISEL:       ; %bb.0: ; %entry
+; GFX12DAGISEL-NEXT:    s_wait_loadcnt_dscnt 0x0
+; GFX12DAGISEL-NEXT:    s_wait_expcnt 0x0
+; GFX12DAGISEL-NEXT:    s_wait_samplecnt 0x0
+; GFX12DAGISEL-NEXT:    s_wait_bvhcnt 0x0
+; GFX12DAGISEL-NEXT:    s_wait_kmcnt 0x0
+; GFX12DAGISEL-NEXT:    s_mov_b64 s[0:1], 0
+; GFX12DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX12DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX12DAGISEL-NEXT:    s_wait_alu 0xfffe
+; GFX12DAGISEL-NEXT:    s_ctz_i32_b32 s3, s2
+; GFX12DAGISEL-NEXT:    s_wait_alu 0xfffe
+; GFX12DAGISEL-NEXT:    v_readlane_b32 s4, v2, s3
+; GFX12DAGISEL-NEXT:    v_readlane_b32 s5, v3, s3
+; GFX12DAGISEL-NEXT:    s_bitset0_b32 s2, s3
+; GFX12DAGISEL-NEXT:    s_wait_alu 0xfffe
+; GFX12DAGISEL-NEXT:    s_cmp_lg_u32 s2, 0
+; GFX12DAGISEL-NEXT:    s_add_nc_u64 s[0:1], s[0:1], s[4:5]
+; GFX12DAGISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX12DAGISEL-NEXT:  ; %bb.2:
+; GFX12DAGISEL-NEXT:    s_wait_alu 0xfffe
+; GFX12DAGISEL-NEXT:    v_dual_mov_b32 v3, s1 :: v_dual_mov_b32 v2, s0
+; GFX12DAGISEL-NEXT:    global_store_b64 v[0:1], v[2:3], off
+; GFX12DAGISEL-NEXT:    s_setpc_b64 s[30:31]
 entry:
   %result = call i64 @llvm.amdgcn.wave.reduce.add.i64(i64 %id.x, i32 1)
   store i64 %result, ptr addrspace(1) %out
@@ -2552,6 +2728,49 @@ define amdgpu_kernel void @divergent_cfg_i64(ptr addrspace(1) %out, i64 %in, i64
 ; GFX1132GISEL-NEXT:    v_mov_b32_e32 v2, 0
 ; GFX1132GISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
 ; GFX1132GISEL-NEXT:    s_endpgm
+;
+; GFX12DAGISEL-LABEL: divergent_cfg_i64:
+; GFX12DAGISEL:       ; %bb.0: ; %entry
+; GFX12DAGISEL-NEXT:    s_clause 0x1
+; GFX12DAGISEL-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX12DAGISEL-NEXT:    s_load_b64 s[4:5], s[4:5], 0x34
+; GFX12DAGISEL-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
+; GFX12DAGISEL-NEXT:    s_mov_b32 s8, exec_lo
+; GFX12DAGISEL-NEXT:    ; implicit-def: $sgpr6_sgpr7
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX12DAGISEL-NEXT:    v_cmpx_lt_u32_e32 15, v0
+; GFX12DAGISEL-NEXT:    s_xor_b32 s8, exec_lo, s8
+; GFX12DAGISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX12DAGISEL-NEXT:  ; %bb.1: ; %else
+; GFX12DAGISEL-NEXT:    s_mov_b32 s6, exec_lo
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    s_bcnt1_i32_b32 s6, s6
+; GFX12DAGISEL-NEXT:    s_wait_kmcnt 0x0
+; GFX12DAGISEL-NEXT:    s_mul_hi_u32 s7, s2, s6
+; GFX12DAGISEL-NEXT:    s_mul_i32 s3, s3, s6
+; GFX12DAGISEL-NEXT:    s_mul_i32 s6, s2, s6
+; GFX12DAGISEL-NEXT:    s_add_co_u32 s7, s7, s3
+; GFX12DAGISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX12DAGISEL-NEXT:    s_wait_kmcnt 0x0
+; GFX12DAGISEL-NEXT:    s_or_saveexec_b32 s2, s8
+; GFX12DAGISEL-NEXT:    v_dual_mov_b32 v0, s6 :: v_dual_mov_b32 v1, s7
+; GFX12DAGISEL-NEXT:    s_xor_b32 exec_lo, exec_lo, s2
+; GFX12DAGISEL-NEXT:  ; %bb.3: ; %if
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    s_mov_b32 s3, exec_lo
+; GFX12DAGISEL-NEXT:    s_bcnt1_i32_b32 s3, s3
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_4) | instid1(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    s_mul_hi_u32 s6, s4, s3
+; GFX12DAGISEL-NEXT:    s_mul_i32 s5, s5, s3
+; GFX12DAGISEL-NEXT:    s_mul_i32 s4, s4, s3
+; GFX12DAGISEL-NEXT:    s_wait_alu 0xfffe
+; GFX12DAGISEL-NEXT:    s_add_co_u32 s5, s6, s5
+; GFX12DAGISEL-NEXT:    v_dual_mov_b32 v0, s4 :: v_dual_mov_b32 v1, s5
+; GFX12DAGISEL-NEXT:  ; %bb.4: ; %endif
+; GFX12DAGISEL-NEXT:    s_or_b32 exec_lo, exec_lo, s2
+; GFX12DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX12DAGISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX12DAGISEL-NEXT:    s_endpgm
 entry:
   %tid = call i32 @llvm.amdgcn.workitem.id.x()
   %d_cmp = icmp ult i32 %tid, 16
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.sub.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.sub.ll
index c60230e2d3092..bc8bf7f4b3b6f 100644
--- a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.sub.ll
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.sub.ll
@@ -11,6 +11,7 @@
 ; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -global-isel=1 -mattr=+wavefrontsize64 < %s | FileCheck -check-prefixes=GFX11GISEL,GFX1164GISEL %s
 ; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -global-isel=0 < %s | FileCheck -check-prefixes=GFX11DAGISEL,GFX1132DAGISEL %s
 ; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -global-isel=1 < %s | FileCheck -check-prefixes=GFX11GISEL,GFX1132GISEL %s
+; RUN: llc -mtriple=amdgcn -mcpu=gfx1200 -global-isel=0 < %s | FileCheck -check-prefixes=GFX12DAGISEL %s
 
 define amdgpu_kernel void @uniform_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX8DAGISEL-LABEL: uniform_value:
@@ -194,6 +195,20 @@ define amdgpu_kernel void @uniform_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX1132GISEL-NEXT:    v_mov_b32_e32 v0, s2
 ; GFX1132GISEL-NEXT:    global_store_b32 v1, v0, s[0:1]
 ; GFX1132GISEL-NEXT:    s_endpgm
+;
+; GFX12DAGISEL-LABEL: uniform_value:
+; GFX12DAGISEL:       ; %bb.0: ; %entry
+; GFX12DAGISEL-NEXT:    s_load_b96 s[0:2], s[4:5], 0x24
+; GFX12DAGISEL-NEXT:    s_mov_b32 s3, exec_lo
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_2) | instid1(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    s_bcnt1_i32_b32 s3, s3
+; GFX12DAGISEL-NEXT:    s_wait_kmcnt 0x0
+; GFX12DAGISEL-NEXT:    s_sub_co_i32 s2, 0, s2
+; GFX12DAGISEL-NEXT:    s_mul_i32 s2, s2, s3
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    v_dual_mov_b32 v0, 0 :: v_dual_mov_b32 v1, s2
+; GFX12DAGISEL-NEXT:    global_store_b32 v0, v1, s[0:1]
+; GFX12DAGISEL-NEXT:    s_endpgm
 entry:
   %result = call i32 @llvm.amdgcn.wave.reduce.sub.i32(i32 %in, i32 1)
   store i32 %result, ptr addrspace(1) %out
@@ -361,6 +376,19 @@ define amdgpu_kernel void @const_value(ptr addrspace(1) %out) {
 ; GFX1132GISEL-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX1132GISEL-NEXT:    global_store_b32 v1, v0, s[0:1]
 ; GFX1132GISEL-NEXT:    s_endpgm
+;
+; GFX12DAGISEL-LABEL: const_value:
+; GFX12DAGISEL:       ; %bb.0: ; %entry
+; GFX12DAGISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX12DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX12DAGISEL-NEXT:    s_sub_co_i32 s3, 0, 0x7b
+; GFX12DAGISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    s_mul_i32 s2, s3, s2
+; GFX12DAGISEL-NEXT:    v_dual_mov_b32 v0, 0 :: v_dual_mov_b32 v1, s2
+; GFX12DAGISEL-NEXT:    s_wait_kmcnt 0x0
+; GFX12DAGISEL-NEXT:    global_store_b32 v0, v1, s[0:1]
+; GFX12DAGISEL-NEXT:    s_endpgm
 entry:
   %result = call i32 @llvm.amdgcn.wave.reduce.sub.i32(i32 123, i32 1)
   store i32 %result, ptr addrspace(1) %out
@@ -529,6 +557,20 @@ define amdgpu_kernel void @poison_value(ptr addrspace(1) %out, i32 %in) {
 ; GFX1132GISEL-NEXT:    v_mov_b32_e32 v0, s2
 ; GFX1132GISEL-NEXT:    global_store_b32 v1, v0, s[0:1]
 ; GFX1132GISEL-NEXT:    s_endpgm
+;
+; GFX12DAGISEL-LABEL: poison_value:
+; GFX12DAGISEL:       ; %bb.0: ; %entry
+; GFX12DAGISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX12DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_2) | instid1(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX12DAGISEL-NEXT:    s_wait_kmcnt 0x0
+; GFX12DAGISEL-NEXT:    s_sub_co_i32 s3, 0, s0
+; GFX12DAGISEL-NEXT:    s_mul_i32 s2, s3, s2
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    v_dual_mov_b32 v0, 0 :: v_dual_mov_b32 v1, s2
+; GFX12DAGISEL-NEXT:    global_store_b32 v0, v1, s[0:1]
+; GFX12DAGISEL-NEXT:    s_endpgm
 entry:
   %result = call i32 @llvm.amdgcn.wave.reduce.sub.i32(i32 poison, i32 1)
   store i32 %result, ptr addrspace(1) %out
@@ -771,6 +813,26 @@ define amdgpu_kernel void @divergent_value(ptr addrspace(1) %out) {
 ; GFX1132GISEL-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX1132GISEL-NEXT:    global_store_b32 v1, v0, s[0:1]
 ; GFX1132GISEL-NEXT:    s_endpgm
+;
+; GFX12DAGISEL-LABEL: divergent_value:
+; GFX12DAGISEL:       ; %bb.0: ; %entry
+; GFX12DAGISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX12DAGISEL-NEXT:    v_dual_mov_b32 v1, 0 :: v_dual_and_b32 v0, 0x3ff, v0
+; GFX12DAGISEL-NEXT:    s_mov_b32 s3, exec_lo
+; GFX12DAGISEL-NEXT:    s_mov_b32 s2, 0
+; GFX12DAGISEL-NEXT:  .LBB3_1: ; =>This Inner Loop Header: Depth=1
+; GFX12DAGISEL-NEXT:    s_ctz_i32_b32 s4, s3
+; GFX12DAGISEL-NEXT:    s_wait_alu 0xfffe
+; GFX12DAGISEL-NEXT:    v_readlane_b32 s5, v0, s4
+; GFX12DAGISEL-NEXT:    s_bitset0_b32 s3, s4
+; GFX12DAGISEL-NEXT:    s_sub_co_i32 s2, s2, s5
+; GFX12DAGISEL-NEXT:    s_cmp_lg_u32 s3, 0
+; GFX12DAGISEL-NEXT:    s_cbranch_scc1 .LBB3_1
+; GFX12DAGISEL-NEXT:  ; %bb.2:
+; GFX12DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX12DAGISEL-NEXT:    s_wait_kmcnt 0x0
+; GFX12DAGISEL-NEXT:    global_store_b32 v1, v0, s[0:1]
+; GFX12DAGISEL-NEXT:    s_endpgm
 entry:
   %id.x = call i32 @llvm.amdgcn.workitem.id.x()
   %result = call i32 @llvm.amdgcn.wave.reduce.sub.i32(i32 %id.x, i32 1)
@@ -1257,6 +1319,51 @@ define amdgpu_kernel void @divergent_cfg(ptr addrspace(1) %out, i32 %in) {
 ; GFX1132GISEL-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX1132GISEL-NEXT:    global_store_b32 v1, v0, s[2:3]
 ; GFX1132GISEL-NEXT:    s_endpgm
+;
+; GFX12DAGISEL-LABEL: divergent_cfg:
+; GFX12DAGISEL:       ; %bb.0: ; %entry
+; GFX12DAGISEL-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
+; GFX12DAGISEL-NEXT:    s_mov_b32 s0, exec_lo
+; GFX12DAGISEL-NEXT:    ; implicit-def: $sgpr1
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX12DAGISEL-NEXT:    v_cmpx_lt_u32_e32 15, v0
+; GFX12DAGISEL-NEXT:    s_xor_b32 s0, exec_lo, s0
+; GFX12DAGISEL-NEXT:    s_cbranch_execz .LBB4_2
+; GFX12DAGISEL-NEXT:  ; %bb.1: ; %else
+; GFX12DAGISEL-NEXT:    s_load_b32 s1, s[4:5], 0x2c
+; GFX12DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX12DAGISEL-NEXT:    ; implicit-def: $vgpr0
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_2) | instid1(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX12DAGISEL-NEXT:    s_wait_kmcnt 0x0
+; GFX12DAGISEL-NEXT:    s_sub_co_i32 s1, 0, s1
+; GFX12DAGISEL-NEXT:    s_mul_i32 s1, s1, s2
+; GFX12DAGISEL-NEXT:  .LBB4_2: ; %Flow
+; GFX12DAGISEL-NEXT:    s_or_saveexec_b32 s0, s0
+; GFX12DAGISEL-NEXT:    v_mov_b32_e32 v1, s1
+; GFX12DAGISEL-NEXT:    s_xor_b32 exec_lo, exec_lo, s0
+; GFX12DAGISEL-NEXT:    s_cbranch_execz .LBB4_6
+; GFX12DAGISEL-NEXT:  ; %bb.3: ; %if
+; GFX12DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX12DAGISEL-NEXT:    s_mov_b32 s1, 0
+; GFX12DAGISEL-NEXT:  .LBB4_4: ; =>This Inner Loop Header: Depth=1
+; GFX12DAGISEL-NEXT:    s_ctz_i32_b32 s3, s2
+; GFX12DAGISEL-NEXT:    s_wait_alu 0xfffe
+; GFX12DAGISEL-NEXT:    v_readlane_b32 s6, v0, s3
+; GFX12DAGISEL-NEXT:    s_bitset0_b32 s2, s3
+; GFX12DAGISEL-NEXT:    s_sub_co_i32 s1, s1, s6
+; GFX12DAGISEL-NEXT:    s_wait_alu 0xfffe
+; GFX12DAGISEL-NEXT:    s_cmp_lg_u32 s2, 0
+; GFX12DAGISEL-NEXT:    s_cbranch_scc1 .LBB4_4
+; GFX12DAGISEL-NEXT:  ; %bb.5:
+; GFX12DAGISEL-NEXT:    v_mov_b32_e32 v1, s1
+; GFX12DAGISEL-NEXT:  .LBB4_6: ; %endif
+; GFX12DAGISEL-NEXT:    s_or_b32 exec_lo, exec_lo, s0
+; GFX12DAGISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX12DAGISEL-NEXT:    v_mov_b32_e32 v0, 0
+; GFX12DAGISEL-NEXT:    s_wait_kmcnt 0x0
+; GFX12DAGISEL-NEXT:    global_store_b32 v0, v1, s[0:1]
+; GFX12DAGISEL-NEXT:    s_endpgm
 entry:
   %tid = call i32 @llvm.amdgcn.workitem.id.x()
   %d_cmp = icmp ult i32 %tid, 16
@@ -1522,6 +1629,27 @@ define amdgpu_kernel void @uniform_value_i64(ptr addrspace(1) %out, i64 %in) {
 ; GFX1132GISEL-NEXT:    v_dual_mov_b32 v0, s2 :: v_dual_mov_b32 v1, s3
 ; GFX1132GISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
 ; GFX1132GISEL-NEXT:    s_endpgm
+;
+; GFX12DAGISEL-LABEL: uniform_value_i64:
+; GFX12DAGISEL:       ; %bb.0: ; %entry
+; GFX12DAGISEL-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX12DAGISEL-NEXT:    s_mov_b32 s4, exec_lo
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    s_bcnt1_i32_b32 s4, s4
+; GFX12DAGISEL-NEXT:    s_sub_co_i32 s4, 0, s4
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    s_ashr_i32 s5, s4, 31
+; GFX12DAGISEL-NEXT:    s_wait_kmcnt 0x0
+; GFX12DAGISEL-NEXT:    s_mul_hi_u32 s6, s2, s4
+; GFX12DAGISEL-NEXT:    s_mul_i32 s3, s3, s4
+; GFX12DAGISEL-NEXT:    s_mul_i32 s5, s2, s5
+; GFX12DAGISEL-NEXT:    s_add_co_u32 s3, s6, s3
+; GFX12DAGISEL-NEXT:    s_mul_i32 s2, s2, s4
+; GFX12DAGISEL-NEXT:    s_add_co_u32 s3, s3, s5
+; GFX12DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX12DAGISEL-NEXT:    v_dual_mov_b32 v2, 0 :: v_dual_mov_b32 v1, s3
+; GFX12DAGISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX12DAGISEL-NEXT:    s_endpgm
 entry:
   %result = call i64 @llvm.amdgcn.wave.reduce.sub.i64(i64 %in, i32 1)
   store i64 %result, ptr addrspace(1) %out
@@ -1774,6 +1902,27 @@ define amdgpu_kernel void @const_value_i64(ptr addrspace(1) %out) {
 ; GFX1132GISEL-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX1132GISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
 ; GFX1132GISEL-NEXT:    s_endpgm
+;
+; GFX12DAGISEL-LABEL: const_value_i64:
+; GFX12DAGISEL:       ; %bb.0: ; %entry
+; GFX12DAGISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX12DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX12DAGISEL-NEXT:    s_sub_co_i32 s2, 0, s2
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    s_ashr_i32 s3, s2, 31
+; GFX12DAGISEL-NEXT:    s_mul_hi_u32 s4, 0x7b, s2
+; GFX12DAGISEL-NEXT:    s_mul_i32 s5, s2, 0
+; GFX12DAGISEL-NEXT:    s_mulk_i32 s3, 0x7b
+; GFX12DAGISEL-NEXT:    s_add_co_u32 s4, s4, s5
+; GFX12DAGISEL-NEXT:    s_mulk_i32 s2, 0x7b
+; GFX12DAGISEL-NEXT:    s_add_co_u32 s3, s4, s3
+; GFX12DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX12DAGISEL-NEXT:    v_dual_mov_b32 v2, 0 :: v_dual_mov_b32 v1, s3
+; GFX12DAGISEL-NEXT:    s_wait_kmcnt 0x0
+; GFX12DAGISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX12DAGISEL-NEXT:    s_endpgm
 entry:
   %result = call i64 @llvm.amdgcn.wave.reduce.sub.i64(i64 123, i32 1)
   store i64 %result, ptr addrspace(1) %out
@@ -2026,6 +2175,27 @@ define amdgpu_kernel void @poison_value_i64(ptr addrspace(1) %out, i64 %in) {
 ; GFX1132GISEL-NEXT:    v_dual_mov_b32 v0, s2 :: v_dual_mov_b32 v1, s3
 ; GFX1132GISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
 ; GFX1132GISEL-NEXT:    s_endpgm
+;
+; GFX12DAGISEL-LABEL: poison_value_i64:
+; GFX12DAGISEL:       ; %bb.0: ; %entry
+; GFX12DAGISEL-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
+; GFX12DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    s_bcnt1_i32_b32 s2, s2
+; GFX12DAGISEL-NEXT:    s_sub_co_i32 s2, 0, s2
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    s_ashr_i32 s3, s2, 31
+; GFX12DAGISEL-NEXT:    s_wait_kmcnt 0x0
+; GFX12DAGISEL-NEXT:    s_mul_hi_u32 s4, s0, s2
+; GFX12DAGISEL-NEXT:    s_mul_i32 s5, s1, s2
+; GFX12DAGISEL-NEXT:    s_mul_i32 s3, s0, s3
+; GFX12DAGISEL-NEXT:    s_add_co_u32 s4, s4, s5
+; GFX12DAGISEL-NEXT:    s_mul_i32 s2, s0, s2
+; GFX12DAGISEL-NEXT:    s_add_co_u32 s3, s4, s3
+; GFX12DAGISEL-NEXT:    v_mov_b32_e32 v0, s2
+; GFX12DAGISEL-NEXT:    v_dual_mov_b32 v2, 0 :: v_dual_mov_b32 v1, s3
+; GFX12DAGISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX12DAGISEL-NEXT:    s_endpgm
 entry:
   %result = call i64 @llvm.amdgcn.wave.reduce.sub.i64(i64 poison, i32 1)
   store i64 %result, ptr addrspace(1) %out
@@ -2278,6 +2448,32 @@ define void @divergent_value_i64(ptr addrspace(1) %out, i64 %id.x) {
 ; GFX1132GISEL-NEXT:    v_dual_mov_b32 v3, s1 :: v_dual_mov_b32 v2, s0
 ; GFX1132GISEL-NEXT:    global_store_b64 v[0:1], v[2:3], off
 ; GFX1132GISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX12DAGISEL-LABEL: divergent_value_i64:
+; GFX12DAGISEL:       ; %bb.0: ; %entry
+; GFX12DAGISEL-NEXT:    s_wait_loadcnt_dscnt 0x0
+; GFX12DAGISEL-NEXT:    s_wait_expcnt 0x0
+; GFX12DAGISEL-NEXT:    s_wait_samplecnt 0x0
+; GFX12DAGISEL-NEXT:    s_wait_bvhcnt 0x0
+; GFX12DAGISEL-NEXT:    s_wait_kmcnt 0x0
+; GFX12DAGISEL-NEXT:    s_mov_b64 s[0:1], 0
+; GFX12DAGISEL-NEXT:    s_mov_b32 s2, exec_lo
+; GFX12DAGISEL-NEXT:  .LBB8_1: ; =>This Inner Loop Header: Depth=1
+; GFX12DAGISEL-NEXT:    s_wait_alu 0xfffe
+; GFX12DAGISEL-NEXT:    s_ctz_i32_b32 s3, s2
+; GFX12DAGISEL-NEXT:    s_wait_alu 0xfffe
+; GFX12DAGISEL-NEXT:    v_readlane_b32 s4, v2, s3
+; GFX12DAGISEL-NEXT:    v_readlane_b32 s5, v3, s3
+; GFX12DAGISEL-NEXT:    s_bitset0_b32 s2, s3
+; GFX12DAGISEL-NEXT:    s_wait_alu 0xfffe
+; GFX12DAGISEL-NEXT:    s_cmp_lg_u32 s2, 0
+; GFX12DAGISEL-NEXT:    s_sub_nc_u64 s[0:1], s[0:1], s[4:5]
+; GFX12DAGISEL-NEXT:    s_cbranch_scc1 .LBB8_1
+; GFX12DAGISEL-NEXT:  ; %bb.2:
+; GFX12DAGISEL-NEXT:    s_wait_alu 0xfffe
+; GFX12DAGISEL-NEXT:    v_dual_mov_b32 v3, s1 :: v_dual_mov_b32 v2, s0
+; GFX12DAGISEL-NEXT:    global_store_b64 v[0:1], v[2:3], off
+; GFX12DAGISEL-NEXT:    s_setpc_b64 s[30:31]
 entry:
   %result = call i64 @llvm.amdgcn.wave.reduce.sub.i64(i64 %id.x, i32 1)
   store i64 %result, ptr addrspace(1) %out
@@ -2860,6 +3056,60 @@ define amdgpu_kernel void @divergent_cfg_i64(ptr addrspace(1) %out, i64 %in, i64
 ; GFX1132GISEL-NEXT:    v_mov_b32_e32 v2, 0
 ; GFX1132GISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
 ; GFX1132GISEL-NEXT:    s_endpgm
+;
+; GFX12DAGISEL-LABEL: divergent_cfg_i64:
+; GFX12DAGISEL:       ; %bb.0: ; %entry
+; GFX12DAGISEL-NEXT:    s_clause 0x1
+; GFX12DAGISEL-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX12DAGISEL-NEXT:    s_load_b64 s[4:5], s[4:5], 0x34
+; GFX12DAGISEL-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
+; GFX12DAGISEL-NEXT:    s_mov_b32 s8, exec_lo
+; GFX12DAGISEL-NEXT:    ; implicit-def: $sgpr6_sgpr7
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX12DAGISEL-NEXT:    v_cmpx_lt_u32_e32 15, v0
+; GFX12DAGISEL-NEXT:    s_xor_b32 s8, exec_lo, s8
+; GFX12DAGISEL-NEXT:    s_cbranch_execz .LBB9_2
+; GFX12DAGISEL-NEXT:  ; %bb.1: ; %else
+; GFX12DAGISEL-NEXT:    s_mov_b32 s6, exec_lo
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    s_bcnt1_i32_b32 s6, s6
+; GFX12DAGISEL-NEXT:    s_sub_co_i32 s6, 0, s6
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    s_ashr_i32 s7, s6, 31
+; GFX12DAGISEL-NEXT:    s_wait_kmcnt 0x0
+; GFX12DAGISEL-NEXT:    s_mul_hi_u32 s9, s2, s6
+; GFX12DAGISEL-NEXT:    s_mul_i32 s3, s3, s6
+; GFX12DAGISEL-NEXT:    s_mul_i32 s7, s2, s7
+; GFX12DAGISEL-NEXT:    s_add_co_u32 s3, s9, s3
+; GFX12DAGISEL-NEXT:    s_mul_i32 s6, s2, s6
+; GFX12DAGISEL-NEXT:    s_add_co_u32 s7, s3, s7
+; GFX12DAGISEL-NEXT:  .LBB9_2: ; %Flow
+; GFX12DAGISEL-NEXT:    s_wait_kmcnt 0x0
+; GFX12DAGISEL-NEXT:    s_or_saveexec_b32 s2, s8
+; GFX12DAGISEL-NEXT:    v_dual_mov_b32 v0, s6 :: v_dual_mov_b32 v1, s7
+; GFX12DAGISEL-NEXT:    s_xor_b32 exec_lo, exec_lo, s2
+; GFX12DAGISEL-NEXT:  ; %bb.3: ; %if
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    s_mov_b32 s3, exec_lo
+; GFX12DAGISEL-NEXT:    s_bcnt1_i32_b32 s3, s3
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    s_sub_co_i32 s3, 0, s3
+; GFX12DAGISEL-NEXT:    s_ashr_i32 s6, s3, 31
+; GFX12DAGISEL-NEXT:    s_mul_hi_u32 s7, s4, s3
+; GFX12DAGISEL-NEXT:    s_mul_i32 s5, s5, s3
+; GFX12DAGISEL-NEXT:    s_wait_alu 0xfffe
+; GFX12DAGISEL-NEXT:    s_mul_i32 s6, s4, s6
+; GFX12DAGISEL-NEXT:    s_add_co_u32 s5, s7, s5
+; GFX12DAGISEL-NEXT:    s_mul_i32 s4, s4, s3
+; GFX12DAGISEL-NEXT:    s_wait_alu 0xfffe
+; GFX12DAGISEL-NEXT:    s_add_co_u32 s5, s5, s6
+; GFX12DAGISEL-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
+; GFX12DAGISEL-NEXT:    v_dual_mov_b32 v0, s4 :: v_dual_mov_b32 v1, s5
+; GFX12DAGISEL-NEXT:  ; %bb.4: ; %endif
+; GFX12DAGISEL-NEXT:    s_or_b32 exec_lo, exec_lo, s2
+; GFX12DAGISEL-NEXT:    v_mov_b32_e32 v2, 0
+; GFX12DAGISEL-NEXT:    global_store_b64 v2, v[0:1], s[0:1]
+; GFX12DAGISEL-NEXT:    s_endpgm
 entry:
   %tid = call i32 @llvm.amdgcn.workitem.id.x()
   %d_cmp = icmp ult i32 %tid, 16



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