[llvm-branch-commits] [clang] [llvm] AMDGPU: Add v_smfmac_f32_16x16x64_f16 for gfx950 (PR #117202)

via llvm-branch-commits llvm-branch-commits at lists.llvm.org
Thu Nov 21 10:13:39 PST 2024


llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-mc

Author: Matt Arsenault (arsenm)

<details>
<summary>Changes</summary>



---

Patch is 27.26 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/117202.diff


13 Files Affected:

- (modified) clang/include/clang/Basic/BuiltinsAMDGPU.def (+1) 
- (modified) clang/test/CodeGenOpenCL/builtins-amdgcn-mfma.cl (+7) 
- (modified) clang/test/SemaOpenCL/builtins-amdgcn-error-gfx950-param.cl (+7) 
- (modified) clang/test/SemaOpenCL/builtins-amdgcn-error-gfx950.cl (+1) 
- (modified) llvm/include/llvm/IR/IntrinsicsAMDGPU.td (+1) 
- (modified) llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp (+6) 
- (modified) llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp (+2-1) 
- (modified) llvm/lib/Target/AMDGPU/SIInstrInfo.td (+1) 
- (modified) llvm/lib/Target/AMDGPU/VOP3PInstructions.td (+7) 
- (modified) llvm/test/Analysis/UniformityAnalysis/AMDGPU/intrinsics.ll (+9) 
- (added) llvm/test/CodeGen/AMDGPU/llvm.amdgcn.smfmac.gfx950.ll (+218) 
- (modified) llvm/test/MC/AMDGPU/mai-gfx950.s (+42) 
- (modified) llvm/test/MC/Disassembler/AMDGPU/gfx950_mai.txt (+22) 


``````````diff
diff --git a/clang/include/clang/Basic/BuiltinsAMDGPU.def b/clang/include/clang/Basic/BuiltinsAMDGPU.def
index 3b7cc559e88b29..f013714798cc54 100644
--- a/clang/include/clang/Basic/BuiltinsAMDGPU.def
+++ b/clang/include/clang/Basic/BuiltinsAMDGPU.def
@@ -444,6 +444,7 @@ TARGET_BUILTIN(__builtin_amdgcn_mfma_f32_32x32x16_bf16, "V16fV8yV8yV16fIiIiIi",
 TARGET_BUILTIN(__builtin_amdgcn_mfma_i32_16x16x64_i8, "V4iV4iV4iV4iIiIiIi", "nc", "gfx950-insts")
 TARGET_BUILTIN(__builtin_amdgcn_mfma_i32_32x32x32_i8, "V16iV4iV4iV16iIiIiIi", "nc", "gfx950-insts")
 
+TARGET_BUILTIN(__builtin_amdgcn_smfmac_f32_16x16x64_f16, "V4fV8hV16hV4fiIiIi", "nc", "gfx950-insts")
 //===----------------------------------------------------------------------===//
 // GFX12+ only builtins.
 //===----------------------------------------------------------------------===//
diff --git a/clang/test/CodeGenOpenCL/builtins-amdgcn-mfma.cl b/clang/test/CodeGenOpenCL/builtins-amdgcn-mfma.cl
index 345f05f463bf44..e63d89a28de44d 100644
--- a/clang/test/CodeGenOpenCL/builtins-amdgcn-mfma.cl
+++ b/clang/test/CodeGenOpenCL/builtins-amdgcn-mfma.cl
@@ -467,4 +467,11 @@ v4f test_mfma_f32_16x16x32_bf16(v8bf16 a, v8bf16 b, v4f c)
   return __builtin_amdgcn_mfma_f32_16x16x32_bf16(a, b, c, 1, 2, 3);
 }
 
+// CHECK-GFX950-LABEL: @test_smfmac_f32_16x16x64_f16
+// CHECK-GFX950: call <4 x float> @llvm.amdgcn.smfmac.f32.16x16x64.f16(<8 x half> %a, <16 x half> %b, <4 x float> %c, i32 %idx, i32 0, i32 0)
+void test_smfmac_f32_16x16x64_f16(global v4f* out, v8h a, v16h b, v4f c, int idx)
+{
+  *out = __builtin_amdgcn_smfmac_f32_16x16x64_f16(a, b, c, idx, 0, 0);
+}
+
 #endif
diff --git a/clang/test/SemaOpenCL/builtins-amdgcn-error-gfx950-param.cl b/clang/test/SemaOpenCL/builtins-amdgcn-error-gfx950-param.cl
index acaa20090dfcba..6366997465aeff 100644
--- a/clang/test/SemaOpenCL/builtins-amdgcn-error-gfx950-param.cl
+++ b/clang/test/SemaOpenCL/builtins-amdgcn-error-gfx950-param.cl
@@ -4,6 +4,7 @@
 typedef float float4 __attribute__((ext_vector_type(4)));
 typedef float float16 __attribute__((ext_vector_type(16)));
 typedef half half8 __attribute__((ext_vector_type(8)));
+typedef half half16 __attribute__((ext_vector_type(16)));
 typedef __bf16 bfloat8 __attribute__((ext_vector_type(8)));
 typedef int int4 __attribute__((ext_vector_type(4)));
 typedef int int8 __attribute__((ext_vector_type(8)));
@@ -62,3 +63,9 @@ void test_mfma_f32_16x16x32_bf16(__global float4* out, bfloat8 a, bfloat8 b, flo
   *out = __builtin_amdgcn_mfma_f32_16x16x32_bf16(a, b, c, 0, X, 0); // expected-error{{argument to '__builtin_amdgcn_mfma_f32_16x16x32_bf16' must be a constant integer}}
   *out = __builtin_amdgcn_mfma_f32_16x16x32_bf16(a, b, c, 0, 0, X); // expected-error{{argument to '__builtin_amdgcn_mfma_f32_16x16x32_bf16' must be a constant integer}}
 }
+
+void test_smfmac_f32_16x16x64_f16(global float4* out, half8 a, half16 b, float4 c, int idx, int d)
+{
+  *out = __builtin_amdgcn_smfmac_f32_16x16x64_f16(a, b, c, idx, d, 0); // expected-error{{argument to '__builtin_amdgcn_smfmac_f32_16x16x64_f16' must be a constant integer}}
+  *out = __builtin_amdgcn_smfmac_f32_16x16x64_f16(a, b, c, idx, 0, d); // expected-error{{argument to '__builtin_amdgcn_smfmac_f32_16x16x64_f16' must be a constant integer}}
+}
diff --git a/clang/test/SemaOpenCL/builtins-amdgcn-error-gfx950.cl b/clang/test/SemaOpenCL/builtins-amdgcn-error-gfx950.cl
index 6bf76b3cba0f59..1e924e86f3b897 100644
--- a/clang/test/SemaOpenCL/builtins-amdgcn-error-gfx950.cl
+++ b/clang/test/SemaOpenCL/builtins-amdgcn-error-gfx950.cl
@@ -34,6 +34,7 @@ void test(__global float4* out0, half8 a0, half8 b0, float4 c0,
   *out3 = __builtin_amdgcn_mfma_i32_16x16x64_i8(a3, b3, c3, 0, 0, 0); // expected-error{{'__builtin_amdgcn_mfma_i32_16x16x64_i8' needs target feature gfx950-insts}}
   *out4 = __builtin_amdgcn_mfma_i32_32x32x32_i8(a4, b4, c4, 0, 0, 0); // expected-error{{'__builtin_amdgcn_mfma_i32_32x32x32_i8' needs target feature gfx950-insts}}
   *out5 = __builtin_amdgcn_mfma_f32_16x16x32_bf16(a5, b5, c5, 0, 0, 0); // expected-error{{'__builtin_amdgcn_mfma_f32_16x16x32_bf16' needs target feature gfx950-insts}}
+  *out6 = __builtin_amdgcn_smfmac_f32_16x16x64_f16(a6, b6, c6, 0, 0, 0); // expected-error{{'__builtin_amdgcn_smfmac_f32_16x16x64_f16' needs target feature gfx950-insts}}
   *out14 = __builtin_amdgcn_mfma_scale_f32_16x16x128_f8f6f4(a14, b14, c14, 0, 0, 0, d14, 0, e14); // expected-error{{'__builtin_amdgcn_mfma_scale_f32_16x16x128_f8f6f4' needs target feature gfx950-insts}}
   *out15 = __builtin_amdgcn_mfma_scale_f32_32x32x64_f8f6f4(a15, b15, c15, 0, 0, 0, d15, 0, e15); // expected-error{{'__builtin_amdgcn_mfma_scale_f32_32x32x64_f8f6f4' needs target feature gfx950-insts}}
 }
diff --git a/llvm/include/llvm/IR/IntrinsicsAMDGPU.td b/llvm/include/llvm/IR/IntrinsicsAMDGPU.td
index 479120f9c202bf..05a22588f50f9f 100644
--- a/llvm/include/llvm/IR/IntrinsicsAMDGPU.td
+++ b/llvm/include/llvm/IR/IntrinsicsAMDGPU.td
@@ -3152,6 +3152,7 @@ def int_amdgcn_mfma_f32_16x16x32_bf16 : AMDGPUMfmaIntrinsic<llvm_v4f32_ty, llvm_
 def int_amdgcn_mfma_f32_32x32x16_bf16 : AMDGPUMfmaIntrinsic<llvm_v16f32_ty, llvm_v8bf16_ty>;
 def int_amdgcn_mfma_scale_f32_16x16x128_f8f6f4 : AMDGPUMfmaScaleIntrinsic<llvm_v4f32_ty>;
 def int_amdgcn_mfma_scale_f32_32x32x64_f8f6f4 : AMDGPUMfmaScaleIntrinsic<llvm_v16f32_ty>;
+def int_amdgcn_smfmac_f32_16x16x64_f16 : AMDGPUMSmfmacIntrinsic<llvm_v4f32_ty, llvm_v8f16_ty, llvm_v16f16_ty>;
 }
 
 //===----------------------------------------------------------------------===//
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp b/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
index f7cba2f13c77ac..6b03d571abea68 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
@@ -1090,6 +1090,7 @@ bool AMDGPUInstructionSelector::selectG_INTRINSIC(MachineInstr &I) const {
   case Intrinsic::amdgcn_smfmac_f32_32x32x32_bf8_fp8:
   case Intrinsic::amdgcn_smfmac_f32_32x32x32_fp8_bf8:
   case Intrinsic::amdgcn_smfmac_f32_32x32x32_fp8_fp8:
+  case Intrinsic::amdgcn_smfmac_f32_16x16x64_f16:
     return selectSMFMACIntrin(I);
   default:
     return selectImpl(I, *CoverageInfo);
@@ -3435,6 +3436,8 @@ bool AMDGPUInstructionSelector::selectBVHIntrinsic(MachineInstr &MI) const{
   return true;
 }
 
+// FIXME: This should be removed and let the patterns select. We just need the
+// AGPR/VGPR combination versions.
 bool AMDGPUInstructionSelector::selectSMFMACIntrin(MachineInstr &MI) const {
   unsigned Opc;
   switch (cast<GIntrinsic>(MI).getIntrinsicID()) {
@@ -3480,6 +3483,9 @@ bool AMDGPUInstructionSelector::selectSMFMACIntrin(MachineInstr &MI) const {
   case Intrinsic::amdgcn_smfmac_f32_32x32x32_fp8_fp8:
     Opc = AMDGPU::V_SMFMAC_F32_32X32X32_FP8_FP8_e64;
     break;
+  case Intrinsic::amdgcn_smfmac_f32_16x16x64_f16:
+    Opc = AMDGPU::V_SMFMAC_F32_16X16X64_F16_e64;
+    break;
   default:
     llvm_unreachable("unhandled smfmac intrinsic");
   }
diff --git a/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp b/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
index 4b7ba4effc6857..7442b782aba5c2 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
@@ -4804,7 +4804,8 @@ AMDGPURegisterBankInfo::getInstrMapping(const MachineInstr &MI) const {
     case Intrinsic::amdgcn_smfmac_f32_32x32x32_bf8_bf8:
     case Intrinsic::amdgcn_smfmac_f32_32x32x32_bf8_fp8:
     case Intrinsic::amdgcn_smfmac_f32_32x32x32_fp8_bf8:
-    case Intrinsic::amdgcn_smfmac_f32_32x32x32_fp8_fp8: {
+    case Intrinsic::amdgcn_smfmac_f32_32x32x32_fp8_fp8:
+    case Intrinsic::amdgcn_smfmac_f32_16x16x64_f16: {
       // vdst, srcA, srcB, srcC, idx
       OpdsMapping[0] = getAGPROpMapping(MI.getOperand(0).getReg(), MRI, *TRI);
       OpdsMapping[2] = getVGPROpMapping(MI.getOperand(2).getReg(), MRI, *TRI);
diff --git a/llvm/lib/Target/AMDGPU/SIInstrInfo.td b/llvm/lib/Target/AMDGPU/SIInstrInfo.td
index 05568b4f9ad1ec..8f85bd437781e6 100644
--- a/llvm/lib/Target/AMDGPU/SIInstrInfo.td
+++ b/llvm/lib/Target/AMDGPU/SIInstrInfo.td
@@ -2869,6 +2869,7 @@ def VOP_V4F32_I64_I64_V4F32       : VOPProfile <[v4f32,  i64,   i64,   v4f32]>;
 def VOP_V16F32_I64_I64_V16F32     : VOPProfile <[v16f32, i64,   i64,   v16f32]>;
 
 def VOP_V4F32_V4F16_V8F16_I32     : VOPProfile <[v4f32,  v4f16, v8f16, i32]>;
+def VOP_V4F32_V8F16_V16F16_I32    : VOPProfile <[v4f32,  v8f16, v16f16, i32]>;
 def VOP_V16F32_V4F16_V8F16_I32    : VOPProfile <[v16f32, v4f16, v8f16, i32]>;
 def VOP_V4F32_V4I16_V8I16_I32     : VOPProfile <[v4f32,  v4i16, v8i16, i32]>;
 def VOP_V16F32_V4I16_V8I16_I32    : VOPProfile <[v16f32, v4i16, v8i16, i32]>;
diff --git a/llvm/lib/Target/AMDGPU/VOP3PInstructions.td b/llvm/lib/Target/AMDGPU/VOP3PInstructions.td
index 9bd2b124f122dc..75ce6db2bfa7a8 100644
--- a/llvm/lib/Target/AMDGPU/VOP3PInstructions.td
+++ b/llvm/lib/Target/AMDGPU/VOP3PInstructions.td
@@ -629,6 +629,7 @@ def VOPProfileMAI_F32_I64_X32_VCD    : VOPProfileMAI<VOP_V4F32_I64_I64_V4F32,
 def VOPProfileMAI_F32_I64_X16_VCD    : VOPProfileMAI<VOP_V16F32_I64_I64_V16F32,     VISrc_512_b32,  VDst_512,  AVSrc_64>;
 
 def VOPProfileSMFMAC_F32_16X16X32_F16 : VOPProfileSMFMAC<VOP_V4F32_V4F16_V8F16_I32,  AVDst_128, AVSrc_64, AVSrc_128>;
+def VOPProfileSMFMAC_F32_16X16X64_F16 : VOPProfileSMFMAC<VOP_V4F32_V8F16_V16F16_I32, AVDst_128, AVSrc_128, AVSrc_256>;
 def VOPProfileSMFMAC_F32_32X32X16_F16 : VOPProfileSMFMAC<VOP_V16F32_V4F16_V8F16_I32, AVDst_512, AVSrc_64, AVSrc_128>;
 def VOPProfileSMFMAC_F32_16X16X32_I16 : VOPProfileSMFMAC<VOP_V4F32_V4I16_V8I16_I32,  AVDst_128, AVSrc_64, AVSrc_128>;
 def VOPProfileSMFMAC_F32_32X32X16_I16 : VOPProfileSMFMAC<VOP_V16F32_V4I16_V8I16_I32, AVDst_512, AVSrc_64, AVSrc_128>;
@@ -1042,6 +1043,10 @@ defm V_SMFMAC_F32_32X32X32_FP8_BF8 : SMFMACInst<"v_smfmac_f32_32x32x32_fp8_bf8",
 defm V_SMFMAC_F32_32X32X32_FP8_FP8 : SMFMACInst<"v_smfmac_f32_32x32x32_fp8_fp8", "F32_32X32X32_F8",  int_amdgcn_smfmac_f32_32x32x32_fp8_fp8>;
 } // End SubtargetPredicate = HasFP8Insts, is_gfx940_xdl = 1
 
+let SubtargetPredicate = HasGFX950Insts in {
+defm V_SMFMAC_F32_16X16X64_F16     : SMFMACInst<"v_smfmac_f32_16x16x64_f16",     "F32_16X16X64_F16", int_amdgcn_smfmac_f32_16x16x64_f16>;
+}
+
 def MAIInstInfoTable : GenericTable {
   let FilterClass = "MAIInst";
   let CppTypeName = "MAIInstInfo";
@@ -2131,6 +2136,8 @@ defm V_SMFMAC_F32_32X32X32_BF8_FP8 : VOP3P_Real_SMFMAC <0x7d, "v_smfmac_f32_32x3
 defm V_SMFMAC_F32_32X32X32_FP8_BF8 : VOP3P_Real_SMFMAC <0x7e, "v_smfmac_f32_32x32x32fp8bf8">;
 defm V_SMFMAC_F32_32X32X32_FP8_FP8 : VOP3P_Real_SMFMAC <0x7f, "v_smfmac_f32_32x32x32fp8fp8">;
 
+defm V_SMFMAC_F32_16X16X64_F16     : VOP3P_Real_SMFMAC <0x5a, "v_smfmac_f32_16x16x64f16">;
+
 defm V_PK_FMA_F32 : VOP3P_Real_vi <0x30>;
 defm V_PK_MUL_F32 : VOP3P_Real_vi <0x31>;
 defm V_PK_ADD_F32 : VOP3P_Real_vi <0x32>;
diff --git a/llvm/test/Analysis/UniformityAnalysis/AMDGPU/intrinsics.ll b/llvm/test/Analysis/UniformityAnalysis/AMDGPU/intrinsics.ll
index 2d7983ebafd653..edaa724834297c 100644
--- a/llvm/test/Analysis/UniformityAnalysis/AMDGPU/intrinsics.ll
+++ b/llvm/test/Analysis/UniformityAnalysis/AMDGPU/intrinsics.ll
@@ -332,6 +332,15 @@ define amdgpu_kernel void @mfma_f32_16x16x32_bf16(<8 x bfloat> %arg0, <8 x bfloa
   ret void
 }
 
+declare <4 x float> @llvm.amdgcn.smmfmac.f32.16x16x64.f16(<8 x half>, <16 x half>, <4 x float>, i32, i32 immarg, i32 immarg)
+
+; CHECK: DIVERGENT:   %result = call <4 x float> @llvm.amdgcn.smfmac.f32.16x16x64.f16(<8 x half> %arg0, <16 x half> %arg1, <4 x float> %arg2, i32 %arg3, i32 immarg 0, i32 immarg 0)
+define amdgpu_kernel void @smfmac_f32_16x16x64_f16(<8 x half> %arg0, <16 x half> %arg1, <4 x float> %arg2, i32 %arg3, ptr addrspace(1) %out) {
+  %result = call <4 x float> @llvm.amdgcn.smfmac.f32.16x16x64.f16(<8 x half> %arg0, <16 x half> %arg1, <4 x float> %arg2, i32 %arg3, i32 immarg 0, i32 immarg 0)
+  store <4 x float> %result, ptr addrspace(1) %out
+  ret void
+}
+
 declare i32 @llvm.amdgcn.ds.swizzle(i32, i32) #1
 declare i32 @llvm.amdgcn.permlane16.i32(i32, i32, i32, i32, i1, i1) #1
 declare i32 @llvm.amdgcn.permlanex16.i32(i32, i32, i32, i32, i1, i1) #1
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.smfmac.gfx950.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.smfmac.gfx950.ll
new file mode 100644
index 00000000000000..c5ca845d532414
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.smfmac.gfx950.ll
@@ -0,0 +1,218 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
+; RUN: llc -march=amdgcn -mcpu=gfx950 -global-isel=0 < %s | FileCheck -enable-var-scope --check-prefixes=GCN,SDAG %s
+; RUN: llc -march=amdgcn -mcpu=gfx950 -global-isel=1 < %s | FileCheck -enable-var-scope --check-prefixes=GCN,GISEL %s
+
+declare i32 @llvm.amdgcn.workitem.id.x()
+
+; --------------------------------------------------------------------
+; llvm.amdgcn.smfmac.f32.16x16x64.f16
+; --------------------------------------------------------------------
+
+declare <4 x float> @llvm.amdgcn.smfmac.f32.16x16x64.f16(<8 x half>, <16 x half>, <4 x float>, i32, i32 immarg, i32 immarg)
+
+define amdgpu_kernel void @test_smfmac_f32_16x16x64_f16__vgpr(ptr addrspace(1) %arg, <8 x half> %a, <16 x half> %b, i32 %idx) #0 {
+; SDAG-LABEL: test_smfmac_f32_16x16x64_f16__vgpr:
+; SDAG:       ; %bb.0: ; %bb
+; SDAG-NEXT:    s_load_dwordx2 s[6:7], s[4:5], 0x24
+; SDAG-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x34
+; SDAG-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
+; SDAG-NEXT:    v_lshlrev_b32_e32 v0, 4, v0
+; SDAG-NEXT:    v_mov_b32_e32 v16, 0
+; SDAG-NEXT:    s_waitcnt lgkmcnt(0)
+; SDAG-NEXT:    global_load_dwordx4 v[8:11], v0, s[6:7]
+; SDAG-NEXT:    s_load_dwordx8 s[8:15], s[4:5], 0x44
+; SDAG-NEXT:    s_load_dword s16, s[4:5], 0x64
+; SDAG-NEXT:    v_mov_b64_e32 v[14:15], s[2:3]
+; SDAG-NEXT:    v_mov_b64_e32 v[12:13], s[0:1]
+; SDAG-NEXT:    s_waitcnt lgkmcnt(0)
+; SDAG-NEXT:    v_mov_b64_e32 v[0:1], s[8:9]
+; SDAG-NEXT:    v_mov_b64_e32 v[2:3], s[10:11]
+; SDAG-NEXT:    v_mov_b64_e32 v[4:5], s[12:13]
+; SDAG-NEXT:    v_mov_b64_e32 v[6:7], s[14:15]
+; SDAG-NEXT:    v_mov_b32_e32 v17, s16
+; SDAG-NEXT:    s_waitcnt vmcnt(0)
+; SDAG-NEXT:    s_nop 0
+; SDAG-NEXT:    v_smfmac_f32_16x16x64_f16 v[8:11], v[12:15], v[0:7], v17 cbsz:1 abid:2
+; SDAG-NEXT:    s_nop 6
+; SDAG-NEXT:    global_store_dwordx4 v16, v[8:11], s[6:7]
+; SDAG-NEXT:    s_endpgm
+;
+; GISEL-LABEL: test_smfmac_f32_16x16x64_f16__vgpr:
+; GISEL:       ; %bb.0: ; %bb
+; GISEL-NEXT:    s_load_dwordx2 s[6:7], s[4:5], 0x24
+; GISEL-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x34
+; GISEL-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
+; GISEL-NEXT:    v_lshlrev_b32_e32 v0, 4, v0
+; GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GISEL-NEXT:    global_load_dwordx4 v[8:11], v0, s[6:7]
+; GISEL-NEXT:    s_load_dwordx8 s[8:15], s[4:5], 0x44
+; GISEL-NEXT:    s_load_dword s16, s[4:5], 0x64
+; GISEL-NEXT:    v_mov_b64_e32 v[14:15], s[2:3]
+; GISEL-NEXT:    v_mov_b64_e32 v[12:13], s[0:1]
+; GISEL-NEXT:    s_waitcnt lgkmcnt(0)
+; GISEL-NEXT:    v_mov_b64_e32 v[0:1], s[8:9]
+; GISEL-NEXT:    v_mov_b64_e32 v[2:3], s[10:11]
+; GISEL-NEXT:    v_mov_b64_e32 v[4:5], s[12:13]
+; GISEL-NEXT:    v_mov_b64_e32 v[6:7], s[14:15]
+; GISEL-NEXT:    v_mov_b32_e32 v16, s16
+; GISEL-NEXT:    s_waitcnt vmcnt(0)
+; GISEL-NEXT:    s_nop 0
+; GISEL-NEXT:    v_smfmac_f32_16x16x64_f16 v[8:11], v[12:15], v[0:7], v16 cbsz:1 abid:2
+; GISEL-NEXT:    v_mov_b32_e32 v0, 0
+; GISEL-NEXT:    s_nop 5
+; GISEL-NEXT:    global_store_dwordx4 v0, v[8:11], s[6:7]
+; GISEL-NEXT:    s_endpgm
+bb:
+  %id = call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr <4 x float>, ptr addrspace(1) %arg, i32 %id
+  %in.1 = load <4 x float>, ptr addrspace(1) %gep
+  %mai.1 = tail call <4 x float> @llvm.amdgcn.smfmac.f32.16x16x64.f16(<8 x half> %a, <16 x half> %b, <4 x float> %in.1, i32 %idx, i32 1, i32 2)
+  store <4 x float> %mai.1, ptr addrspace(1) %arg
+  ret void
+}
+
+define <4 x float> @test_smfmac_f32_16x16x64_f16(<8 x half> %arg0, <16 x half> %arg1, <4 x float> %arg2, i32 %arg3) {
+; SDAG-LABEL: test_smfmac_f32_16x16x64_f16:
+; SDAG:       ; %bb.0:
+; SDAG-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; SDAG-NEXT:    v_accvgpr_write_b32 a0, v12
+; SDAG-NEXT:    v_accvgpr_write_b32 a1, v13
+; SDAG-NEXT:    v_accvgpr_write_b32 a2, v14
+; SDAG-NEXT:    v_accvgpr_write_b32 a3, v15
+; SDAG-NEXT:    s_nop 1
+; SDAG-NEXT:    v_smfmac_f32_16x16x64_f16 a[0:3], v[0:3], v[4:11], v16
+; SDAG-NEXT:    s_nop 6
+; SDAG-NEXT:    v_accvgpr_read_b32 v0, a0
+; SDAG-NEXT:    v_accvgpr_read_b32 v1, a1
+; SDAG-NEXT:    v_accvgpr_read_b32 v2, a2
+; SDAG-NEXT:    v_accvgpr_read_b32 v3, a3
+; SDAG-NEXT:    s_setpc_b64 s[30:31]
+;
+; GISEL-LABEL: test_smfmac_f32_16x16x64_f16:
+; GISEL:       ; %bb.0:
+; GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GISEL-NEXT:    v_smfmac_f32_16x16x64_f16 v[12:15], v[0:3], v[4:11], v16
+; GISEL-NEXT:    s_nop 6
+; GISEL-NEXT:    v_mov_b32_e32 v0, v12
+; GISEL-NEXT:    v_mov_b32_e32 v1, v13
+; GISEL-NEXT:    v_mov_b32_e32 v2, v14
+; GISEL-NEXT:    v_mov_b32_e32 v3, v15
+; GISEL-NEXT:    s_setpc_b64 s[30:31]
+  %result = call <4 x float> @llvm.amdgcn.smfmac.f32.16x16x64.f16(<8 x half> %arg0, <16 x half> %arg1, <4 x float> %arg2, i32 %arg3, i32 immarg 0, i32 immarg 0)
+  ret <4 x float> %result
+}
+
+define <4 x float> @test_smfmac_f32_16x16x64_f16__flags0(<8 x half> %arg0, <16 x half> %arg1, <4 x float> %arg2, i32 %arg3) {
+; SDAG-LABEL: test_smfmac_f32_16x16x64_f16__flags0:
+; SDAG:       ; %bb.0:
+; SDAG-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; SDAG-NEXT:    v_accvgpr_write_b32 a0, v12
+; SDAG-NEXT:    v_accvgpr_write_b32 a1, v13
+; SDAG-NEXT:    v_accvgpr_write_b32 a2, v14
+; SDAG-NEXT:    v_accvgpr_write_b32 a3, v15
+; SDAG-NEXT:    s_nop 1
+; SDAG-NEXT:    v_smfmac_f32_16x16x64_f16 a[0:3], v[0:3], v[4:11], v16 cbsz:1 abid:3
+; SDAG-NEXT:    s_nop 6
+; SDAG-NEXT:    v_accvgpr_read_b32 v0, a0
+; SDAG-NEXT:    v_accvgpr_read_b32 v1, a1
+; SDAG-NEXT:    v_accvgpr_read_b32 v2, a2
+; SDAG-NEXT:    v_accvgpr_read_b32 v3, a3
+; SDAG-NEXT:    s_setpc_b64 s[30:31]
+;
+; GISEL-LABEL: test_smfmac_f32_16x16x64_f16__flags0:
+; GISEL:       ; %bb.0:
+; GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GISEL-NEXT:    v_smfmac_f32_16x16x64_f16 v[12:15], v[0:3], v[4:11], v16 cbsz:1 abid:3
+; GISEL-NEXT:    s_nop 6
+; GISEL-NEXT:    v_mov_b32_e32 v0, v12
+; GISEL-NEXT:    v_mov_b32_e32 v1, v13
+; GISEL-NEXT:    v_mov_b32_e32 v2, v14
+; GISEL-NEXT:    v_mov_b32_e32 v3, v15
+; GISEL-NEXT:    s_setpc_b64 s[30:31]
+  %result = call <4 x float> @llvm.amdgcn.smfmac.f32.16x16x64.f16(<8 x half> %arg0, <16 x half> %arg1, <4 x float> %arg2, i32 %arg3, i32 immarg 1, i32 immarg 3)
+  ret <4 x float> %result
+}
+
+define <4 x float> @test_smfmac_f32_16x16x64_f16__flags1(<8 x half> %arg0, <16 x half> %arg1, <4 x float> %arg2, i32 %arg3) {
+; SDAG-LABEL: test_smfmac_f32_16x16x64_f16__flags1:
+; SDAG:       ; %bb.0:
+; SDAG-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; SDAG-NEXT:    v_accvgpr_write_b32 a0, v12
+; SDAG-NEXT:    v_accvgpr_write_b32 a1, v13
+; SDAG-NEXT:    v_accvgpr_write_b32 a2, v14
+; SDAG-NEXT:    v_accvgpr_write_b32 a3, v15
+; SDAG-NEXT:    s_nop 1
+; SDAG-NEXT:    v_smfmac_f32_16x16x64_f16 a[0:3], v[0:3], v[4:11], v16 cbsz:3 abid:1
+; SDAG-NEXT:    s_nop 6
+; SDAG-NEXT:    v_accvgpr_read_b32 v0, a0
+; SDAG-NEXT:    v_accvgpr_read_b32 v1, a1
+; SDAG-NEXT:    v_accvgpr_read_b32 v2, a2
+; SDAG-NEXT:    v_accvgpr_read_b32 v3, a3
+; SDAG-NEXT:    s_setpc_b64 s[30:31]
+;
+; GISEL-LABEL: test_smfmac_f32_16x16x64_f16__flags1:
+; GISEL:       ; %bb.0:
+; GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GISEL-NEXT:    v_smfmac_f32_16x16x64_f16 v[12:15], v[0:3], v[4:11], v16 cbsz:3 abid:1
+; GISEL-NEXT:    s_nop 6
+; GISEL-NEXT:    v_mov_b32_e32 v0, v12
+; GISEL-NEXT:    v_mov_b32_e32 v1, v13
+; GISEL-NEXT:    v_mov_b32_e32 v2, v14
+; GISEL-NEXT:    v_mov_b32_e32 v3, v15
+; GISEL-NEXT:    s_setpc_b64 s[30:31]
+  %result = call <4 x float> @llvm.amdgcn.smfmac.f32.16x16x64.f16(<8 x half> %arg0, <16 x half> %arg1, <4 x float> %arg2, i32 %arg3, i32 immarg 3, i32 immarg 1)
+  ret <4 x float> %result
+}
+
+define <4 x float> @test_smfmac_f32_16x16x64_f16__sgpr(<8 x half> inreg %arg0, <16 x half> inreg %arg1, <4 x float> inreg %arg2, i32 inreg %arg3) {
+; SDAG-LABEL: test_smfmac_f32_16x16x64_f16__sgpr:
+; SDAG:       ; %bb.0:
+; SDAG...
[truncated]

``````````

</details>


https://github.com/llvm/llvm-project/pull/117202


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