[llvm] [AMDGPU] Add intrinsic for raw atomic buffer loads (PR #97707)
via llvm-commits
llvm-commits at lists.llvm.org
Thu Jul 4 03:18:38 PDT 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-backend-amdgpu
Author: Jessica Del (OutOfCache)
<details>
<summary>Changes</summary>
Upstream the intrinsics `llvm.amdgcn.raw.atomic.buffer.load`
and `llvm.amdgcn.raw.atomic.ptr.buffer.load`.
These intrinsics prevent LICM for atomic loads.
Continuation of https://reviews.llvm.org/D138786.
---
Patch is 31.11 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/97707.diff
7 Files Affected:
- (modified) llvm/include/llvm/IR/IntrinsicsAMDGPU.td (+26)
- (modified) llvm/lib/Target/AMDGPU/AMDGPUInstCombineIntrinsic.cpp (+4)
- (modified) llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp (+2)
- (modified) llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp (+2)
- (modified) llvm/lib/Target/AMDGPU/SIISelLowering.cpp (+10)
- (added) llvm/test/CodeGen/AMDGPU/llvm.amdgcn.raw.atomic.buffer.load.ll (+304)
- (added) llvm/test/CodeGen/AMDGPU/llvm.amdgcn.raw.atomic.ptr.buffer.load.ll (+304)
``````````diff
diff --git a/llvm/include/llvm/IR/IntrinsicsAMDGPU.td b/llvm/include/llvm/IR/IntrinsicsAMDGPU.td
index 71b1e832bde3c..dc53e9e778a4f 100644
--- a/llvm/include/llvm/IR/IntrinsicsAMDGPU.td
+++ b/llvm/include/llvm/IR/IntrinsicsAMDGPU.td
@@ -1116,6 +1116,19 @@ class AMDGPURawBufferLoad<LLVMType data_ty = llvm_any_ty> : DefaultAttrsIntrinsi
def int_amdgcn_raw_buffer_load_format : AMDGPURawBufferLoad<llvm_anyfloat_ty>;
def int_amdgcn_raw_buffer_load : AMDGPURawBufferLoad;
+class AMDGPURawAtomicBufferLoad<LLVMType data_ty = llvm_any_ty> : Intrinsic <
+ [data_ty],
+ [llvm_v4i32_ty, // rsrc(SGPR)
+ llvm_i32_ty, // offset(VGPR/imm, included in bounds checking and swizzling)
+ llvm_i32_ty, // soffset(SGPR/imm, excluded from bounds checking and swizzling)
+ llvm_i32_ty], // auxiliary data (imm, cachepolicy (bit 0 = glc,
+ // bit 1 = slc,
+ // bit 2 = dlc on gfx10+),
+ // swizzled buffer (bit 3 = swz))
+ [ImmArg<ArgIndex<3>>, IntrWillReturn, IntrNoCallback, IntrNoFree], "", [SDNPMemOperand]>,
+ AMDGPURsrcIntrinsic<0>;
+def int_amdgcn_raw_atomic_buffer_load : AMDGPURawAtomicBufferLoad;
+
class AMDGPURawPtrBufferLoad<LLVMType data_ty = llvm_any_ty> : DefaultAttrsIntrinsic <
[data_ty],
[AMDGPUBufferRsrcTy, // rsrc(SGPR)
@@ -1134,6 +1147,19 @@ class AMDGPURawPtrBufferLoad<LLVMType data_ty = llvm_any_ty> : DefaultAttrsIntri
def int_amdgcn_raw_ptr_buffer_load_format : AMDGPURawPtrBufferLoad<llvm_anyfloat_ty>;
def int_amdgcn_raw_ptr_buffer_load : AMDGPURawPtrBufferLoad;
+class AMDGPURawAtomicPtrBufferLoad<LLVMType data_ty = llvm_any_ty> : Intrinsic <
+ [data_ty],
+ [AMDGPUBufferRsrcTy,// rsrc(SGPR)
+ llvm_i32_ty, // offset(VGPR/imm, included in bounds checking and swizzling)
+ llvm_i32_ty, // soffset(SGPR/imm, excluded from bounds checking and swizzling)
+ llvm_i32_ty], // auxiliary data (imm, cachepolicy (bit 0 = glc,
+ // bit 1 = slc,
+ // bit 2 = dlc on gfx10+),
+ // swizzled buffer (bit 3 = swz))
+ [IntrArgMemOnly, NoCapture<ArgIndex<0>>, ImmArg<ArgIndex<3>>, IntrWillReturn, IntrNoCallback, IntrNoFree], "", [SDNPMemOperand]>,
+ AMDGPURsrcIntrinsic<0>;
+def int_amdgcn_raw_atomic_ptr_buffer_load : AMDGPURawAtomicPtrBufferLoad;
+
class AMDGPUStructBufferLoad<LLVMType data_ty = llvm_any_ty> : DefaultAttrsIntrinsic <
[data_ty],
[llvm_v4i32_ty, // rsrc(SGPR)
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUInstCombineIntrinsic.cpp b/llvm/lib/Target/AMDGPU/AMDGPUInstCombineIntrinsic.cpp
index 93bca4402ed23..11aac1f22524d 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUInstCombineIntrinsic.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUInstCombineIntrinsic.cpp
@@ -1245,7 +1245,9 @@ static Value *simplifyAMDGCNMemoryIntrinsicDemanded(InstCombiner &IC,
unsigned OffsetIdx;
switch (II.getIntrinsicID()) {
case Intrinsic::amdgcn_raw_buffer_load:
+ case Intrinsic::amdgcn_raw_atomic_buffer_load:
case Intrinsic::amdgcn_raw_ptr_buffer_load:
+ case Intrinsic::amdgcn_raw_atomic_ptr_buffer_load:
OffsetIdx = 1;
break;
case Intrinsic::amdgcn_s_buffer_load:
@@ -1378,6 +1380,8 @@ std::optional<Value *> GCNTTIImpl::simplifyDemandedVectorEltsIntrinsic(
case Intrinsic::amdgcn_raw_ptr_buffer_load:
case Intrinsic::amdgcn_raw_buffer_load_format:
case Intrinsic::amdgcn_raw_ptr_buffer_load_format:
+ case Intrinsic::amdgcn_raw_atomic_buffer_load:
+ case Intrinsic::amdgcn_raw_atomic_ptr_buffer_load:
case Intrinsic::amdgcn_raw_tbuffer_load:
case Intrinsic::amdgcn_raw_ptr_tbuffer_load:
case Intrinsic::amdgcn_s_buffer_load:
diff --git a/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp b/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
index a219d01518458..9411689d2d858 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
@@ -7345,6 +7345,8 @@ bool AMDGPULegalizerInfo::legalizeIntrinsic(LegalizerHelper &Helper,
return legalizeBufferStore(MI, MRI, B, true, true);
case Intrinsic::amdgcn_raw_buffer_load:
case Intrinsic::amdgcn_raw_ptr_buffer_load:
+ case Intrinsic::amdgcn_raw_atomic_buffer_load:
+ case Intrinsic::amdgcn_raw_atomic_ptr_buffer_load:
case Intrinsic::amdgcn_struct_buffer_load:
case Intrinsic::amdgcn_struct_ptr_buffer_load:
return legalizeBufferLoad(MI, MRI, B, false, false);
diff --git a/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp b/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
index 9e7694f41d6b8..f497295d8b5e5 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
@@ -4984,6 +4984,8 @@ AMDGPURegisterBankInfo::getInstrMapping(const MachineInstr &MI) const {
}
case Intrinsic::amdgcn_raw_buffer_load:
case Intrinsic::amdgcn_raw_ptr_buffer_load:
+ case Intrinsic::amdgcn_raw_atomic_buffer_load:
+ case Intrinsic::amdgcn_raw_atomic_ptr_buffer_load:
case Intrinsic::amdgcn_raw_tbuffer_load:
case Intrinsic::amdgcn_raw_ptr_tbuffer_load: {
// FIXME: Should make intrinsic ID the last operand of the instruction,
diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
index 12977af0d7e85..c1c320173ae9a 100644
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -1272,6 +1272,14 @@ bool SITargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
Info.ptrVal = CI.getArgOperand(1);
return true;
}
+ case Intrinsic::amdgcn_raw_atomic_buffer_load:
+ case Intrinsic::amdgcn_raw_atomic_ptr_buffer_load: {
+ Info.memVT =
+ memVTFromLoadIntrReturn(*this, MF.getDataLayout(), CI.getType(),
+ std::numeric_limits<unsigned>::max());
+ Info.flags &= ~MachineMemOperand::MOStore;
+ return true;
+ }
}
}
return true;
@@ -8897,6 +8905,8 @@ SDValue SITargetLowering::LowerINTRINSIC_W_CHAIN(SDValue Op,
}
case Intrinsic::amdgcn_raw_buffer_load:
case Intrinsic::amdgcn_raw_ptr_buffer_load:
+ case Intrinsic::amdgcn_raw_atomic_buffer_load:
+ case Intrinsic::amdgcn_raw_atomic_ptr_buffer_load:
case Intrinsic::amdgcn_raw_buffer_load_format:
case Intrinsic::amdgcn_raw_ptr_buffer_load_format: {
const bool IsFormat =
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.raw.atomic.buffer.load.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.raw.atomic.buffer.load.ll
new file mode 100644
index 0000000000000..44f1089e4554b
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.raw.atomic.buffer.load.ll
@@ -0,0 +1,304 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc < %s -march=amdgcn -mcpu=gfx1100 -verify-machineinstrs -global-isel=0 | FileCheck %s -check-prefix=CHECK
+; RUN: llc < %s -march=amdgcn -mcpu=gfx1100 -verify-machineinstrs -global-isel=1 | FileCheck %s -check-prefix=CHECK
+
+define amdgpu_kernel void @raw_atomic_buffer_load_i32(<4 x i32> %addr) {
+; CHECK-LABEL: raw_atomic_buffer_load_i32:
+; CHECK: ; %bb.0: ; %bb
+; CHECK-NEXT: s_load_b128 s[0:3], s[0:1], 0x24
+; CHECK-NEXT: s_mov_b32 s4, 0
+; CHECK-NEXT: .LBB0_1: ; %bb1
+; CHECK-NEXT: ; =>This Inner Loop Header: Depth=1
+; CHECK-NEXT: s_waitcnt lgkmcnt(0)
+; CHECK-NEXT: buffer_load_b32 v1, off, s[0:3], 0 glc
+; CHECK-NEXT: s_waitcnt vmcnt(0)
+; CHECK-NEXT: v_cmp_ne_u32_e32 vcc_lo, v1, v0
+; CHECK-NEXT: s_or_b32 s4, vcc_lo, s4
+; CHECK-NEXT: s_delay_alu instid0(SALU_CYCLE_1)
+; CHECK-NEXT: s_and_not1_b32 exec_lo, exec_lo, s4
+; CHECK-NEXT: s_cbranch_execnz .LBB0_1
+; CHECK-NEXT: ; %bb.2: ; %bb2
+; CHECK-NEXT: s_endpgm
+bb:
+ %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+ br label %bb1
+bb1:
+ %load = call i32 @llvm.amdgcn.raw.atomic.buffer.load.i32(<4 x i32> %addr, i32 0, i32 0, i32 1)
+ %cmp = icmp eq i32 %load, %id
+ br i1 %cmp, label %bb1, label %bb2
+bb2:
+ ret void
+}
+
+define amdgpu_kernel void @raw_atomic_buffer_load_i32_off(<4 x i32> %addr) {
+; CHECK-LABEL: raw_atomic_buffer_load_i32_off:
+; CHECK: ; %bb.0: ; %bb
+; CHECK-NEXT: s_load_b128 s[0:3], s[0:1], 0x24
+; CHECK-NEXT: s_mov_b32 s4, 0
+; CHECK-NEXT: .LBB1_1: ; %bb1
+; CHECK-NEXT: ; =>This Inner Loop Header: Depth=1
+; CHECK-NEXT: s_waitcnt lgkmcnt(0)
+; CHECK-NEXT: buffer_load_b32 v1, off, s[0:3], 0 glc
+; CHECK-NEXT: s_waitcnt vmcnt(0)
+; CHECK-NEXT: v_cmp_ne_u32_e32 vcc_lo, v1, v0
+; CHECK-NEXT: s_or_b32 s4, vcc_lo, s4
+; CHECK-NEXT: s_delay_alu instid0(SALU_CYCLE_1)
+; CHECK-NEXT: s_and_not1_b32 exec_lo, exec_lo, s4
+; CHECK-NEXT: s_cbranch_execnz .LBB1_1
+; CHECK-NEXT: ; %bb.2: ; %bb2
+; CHECK-NEXT: s_endpgm
+bb:
+ %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+ br label %bb1
+bb1:
+ %load = call i32 @llvm.amdgcn.raw.atomic.buffer.load.i32(<4 x i32> %addr, i32 0, i32 0, i32 1)
+ %cmp = icmp eq i32 %load, %id
+ br i1 %cmp, label %bb1, label %bb2
+bb2:
+ ret void
+}
+define amdgpu_kernel void @raw_atomic_buffer_load_i32_soff(<4 x i32> %addr) {
+; CHECK-LABEL: raw_atomic_buffer_load_i32_soff:
+; CHECK: ; %bb.0: ; %bb
+; CHECK-NEXT: s_load_b128 s[0:3], s[0:1], 0x24
+; CHECK-NEXT: s_mov_b32 s4, 0
+; CHECK-NEXT: .LBB2_1: ; %bb1
+; CHECK-NEXT: ; =>This Inner Loop Header: Depth=1
+; CHECK-NEXT: s_waitcnt lgkmcnt(0)
+; CHECK-NEXT: buffer_load_b32 v1, off, s[0:3], 4 offset:4 glc
+; CHECK-NEXT: s_waitcnt vmcnt(0)
+; CHECK-NEXT: v_cmp_ne_u32_e32 vcc_lo, v1, v0
+; CHECK-NEXT: s_or_b32 s4, vcc_lo, s4
+; CHECK-NEXT: s_delay_alu instid0(SALU_CYCLE_1)
+; CHECK-NEXT: s_and_not1_b32 exec_lo, exec_lo, s4
+; CHECK-NEXT: s_cbranch_execnz .LBB2_1
+; CHECK-NEXT: ; %bb.2: ; %bb2
+; CHECK-NEXT: s_endpgm
+bb:
+ %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+ br label %bb1
+bb1:
+ %load = call i32 @llvm.amdgcn.raw.atomic.buffer.load.i32(<4 x i32> %addr, i32 4, i32 4, i32 1)
+ %cmp = icmp eq i32 %load, %id
+ br i1 %cmp, label %bb1, label %bb2
+bb2:
+ ret void
+}
+define amdgpu_kernel void @raw_atomic_buffer_load_i32_dlc(<4 x i32> %addr) {
+; CHECK-LABEL: raw_atomic_buffer_load_i32_dlc:
+; CHECK: ; %bb.0: ; %bb
+; CHECK-NEXT: s_load_b128 s[0:3], s[0:1], 0x24
+; CHECK-NEXT: s_mov_b32 s4, 0
+; CHECK-NEXT: .LBB3_1: ; %bb1
+; CHECK-NEXT: ; =>This Inner Loop Header: Depth=1
+; CHECK-NEXT: s_waitcnt lgkmcnt(0)
+; CHECK-NEXT: buffer_load_b32 v1, off, s[0:3], 0 offset:4 dlc
+; CHECK-NEXT: s_waitcnt vmcnt(0)
+; CHECK-NEXT: v_cmp_ne_u32_e32 vcc_lo, v1, v0
+; CHECK-NEXT: s_or_b32 s4, vcc_lo, s4
+; CHECK-NEXT: s_delay_alu instid0(SALU_CYCLE_1)
+; CHECK-NEXT: s_and_not1_b32 exec_lo, exec_lo, s4
+; CHECK-NEXT: s_cbranch_execnz .LBB3_1
+; CHECK-NEXT: ; %bb.2: ; %bb2
+; CHECK-NEXT: s_endpgm
+bb:
+ %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+ br label %bb1
+bb1:
+ %load = call i32 @llvm.amdgcn.raw.atomic.buffer.load.i32(<4 x i32> %addr, i32 4, i32 0, i32 4)
+ %cmp = icmp eq i32 %load, %id
+ br i1 %cmp, label %bb1, label %bb2
+bb2:
+ ret void
+}
+
+define amdgpu_kernel void @raw_nonatomic_buffer_load_i32(<4 x i32> %addr) {
+; CHECK-LABEL: raw_nonatomic_buffer_load_i32:
+; CHECK: ; %bb.0: ; %bb
+; CHECK-NEXT: s_load_b128 s[0:3], s[0:1], 0x24
+; CHECK-NEXT: s_waitcnt lgkmcnt(0)
+; CHECK-NEXT: buffer_load_b32 v1, off, s[0:3], 0 offset:4 glc
+; CHECK-NEXT: s_mov_b32 s0, 0
+; CHECK-NEXT: s_waitcnt vmcnt(0)
+; CHECK-NEXT: v_cmp_ne_u32_e32 vcc_lo, v1, v0
+; CHECK-NEXT: .LBB4_1: ; %bb1
+; CHECK-NEXT: ; =>This Inner Loop Header: Depth=1
+; CHECK-NEXT: s_and_b32 s1, exec_lo, vcc_lo
+; CHECK-NEXT: s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
+; CHECK-NEXT: s_or_b32 s0, s1, s0
+; CHECK-NEXT: s_and_not1_b32 exec_lo, exec_lo, s0
+; CHECK-NEXT: s_cbranch_execnz .LBB4_1
+; CHECK-NEXT: ; %bb.2: ; %bb2
+; CHECK-NEXT: s_endpgm
+bb:
+ %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+ br label %bb1
+bb1:
+ %load = call i32 @llvm.amdgcn.raw.buffer.load.i32(<4 x i32> %addr, i32 4, i32 0, i32 1)
+ %cmp = icmp eq i32 %load, %id
+ br i1 %cmp, label %bb1, label %bb2
+bb2:
+ ret void
+}
+
+define amdgpu_kernel void @raw_atomic_buffer_load_i64(<4 x i32> %addr) {
+; CHECK-LABEL: raw_atomic_buffer_load_i64:
+; CHECK: ; %bb.0: ; %bb
+; CHECK-NEXT: s_load_b128 s[0:3], s[0:1], 0x24
+; CHECK-NEXT: v_mov_b32_e32 v1, 0
+; CHECK-NEXT: s_mov_b32 s4, 0
+; CHECK-NEXT: .LBB5_1: ; %bb1
+; CHECK-NEXT: ; =>This Inner Loop Header: Depth=1
+; CHECK-NEXT: s_waitcnt lgkmcnt(0)
+; CHECK-NEXT: buffer_load_b64 v[2:3], off, s[0:3], 0 offset:4 glc
+; CHECK-NEXT: s_waitcnt vmcnt(0)
+; CHECK-NEXT: v_cmp_ne_u64_e32 vcc_lo, v[2:3], v[0:1]
+; CHECK-NEXT: s_or_b32 s4, vcc_lo, s4
+; CHECK-NEXT: s_delay_alu instid0(SALU_CYCLE_1)
+; CHECK-NEXT: s_and_not1_b32 exec_lo, exec_lo, s4
+; CHECK-NEXT: s_cbranch_execnz .LBB5_1
+; CHECK-NEXT: ; %bb.2: ; %bb2
+; CHECK-NEXT: s_endpgm
+bb:
+ %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+ %id.zext = zext i32 %id to i64
+ br label %bb1
+bb1:
+ %load = call i64 @llvm.amdgcn.raw.atomic.buffer.load.i64(<4 x i32> %addr, i32 4, i32 0, i32 1)
+ %cmp = icmp eq i64 %load, %id.zext
+ br i1 %cmp, label %bb1, label %bb2
+bb2:
+ ret void
+}
+
+define amdgpu_kernel void @raw_atomic_buffer_load_v2i16(<4 x i32> %addr) {
+; CHECK-LABEL: raw_atomic_buffer_load_v2i16:
+; CHECK: ; %bb.0: ; %bb
+; CHECK-NEXT: s_load_b128 s[0:3], s[0:1], 0x24
+; CHECK-NEXT: s_mov_b32 s4, 0
+; CHECK-NEXT: .LBB6_1: ; %bb1
+; CHECK-NEXT: ; =>This Inner Loop Header: Depth=1
+; CHECK-NEXT: s_waitcnt lgkmcnt(0)
+; CHECK-NEXT: buffer_load_b32 v1, off, s[0:3], 0 glc
+; CHECK-NEXT: s_waitcnt vmcnt(0)
+; CHECK-NEXT: v_cmp_ne_u32_e32 vcc_lo, v1, v0
+; CHECK-NEXT: s_or_b32 s4, vcc_lo, s4
+; CHECK-NEXT: s_delay_alu instid0(SALU_CYCLE_1)
+; CHECK-NEXT: s_and_not1_b32 exec_lo, exec_lo, s4
+; CHECK-NEXT: s_cbranch_execnz .LBB6_1
+; CHECK-NEXT: ; %bb.2: ; %bb2
+; CHECK-NEXT: s_endpgm
+bb:
+ %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+ br label %bb1
+bb1:
+ %load = call <2 x i16> @llvm.amdgcn.raw.atomic.buffer.load.v2i16(<4 x i32> %addr, i32 0, i32 0, i32 1)
+ %bitcast = bitcast <2 x i16> %load to i32
+ %cmp = icmp eq i32 %bitcast, %id
+ br i1 %cmp, label %bb1, label %bb2
+bb2:
+ ret void
+}
+
+define amdgpu_kernel void @raw_atomic_buffer_load_v4i16(<4 x i32> %addr) {
+; CHECK-LABEL: raw_atomic_buffer_load_v4i16:
+; CHECK: ; %bb.0: ; %bb
+; CHECK-NEXT: s_load_b128 s[0:3], s[0:1], 0x24
+; CHECK-NEXT: s_mov_b32 s4, 0
+; CHECK-NEXT: .LBB7_1: ; %bb1
+; CHECK-NEXT: ; =>This Inner Loop Header: Depth=1
+; CHECK-NEXT: s_waitcnt lgkmcnt(0)
+; CHECK-NEXT: buffer_load_b64 v[1:2], off, s[0:3], 0 offset:4 glc
+; CHECK-NEXT: s_waitcnt vmcnt(0)
+; CHECK-NEXT: v_and_b32_e32 v1, 0xffff, v1
+; CHECK-NEXT: s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
+; CHECK-NEXT: v_lshl_or_b32 v1, v2, 16, v1
+; CHECK-NEXT: v_cmp_ne_u32_e32 vcc_lo, v1, v0
+; CHECK-NEXT: s_or_b32 s4, vcc_lo, s4
+; CHECK-NEXT: s_delay_alu instid0(SALU_CYCLE_1)
+; CHECK-NEXT: s_and_not1_b32 exec_lo, exec_lo, s4
+; CHECK-NEXT: s_cbranch_execnz .LBB7_1
+; CHECK-NEXT: ; %bb.2: ; %bb2
+; CHECK-NEXT: s_endpgm
+bb:
+ %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+ br label %bb1
+bb1:
+ %load = call <4 x i16> @llvm.amdgcn.raw.atomic.buffer.load.v4i16(<4 x i32> %addr, i32 4, i32 0, i32 1)
+ %shortened = shufflevector <4 x i16> %load, <4 x i16> poison, <2 x i32> <i32 0, i32 2>
+ %bitcast = bitcast <2 x i16> %shortened to i32
+ %cmp = icmp eq i32 %bitcast, %id
+ br i1 %cmp, label %bb1, label %bb2
+bb2:
+ ret void
+}
+
+define amdgpu_kernel void @raw_atomic_buffer_load_v4i32(<4 x i32> %addr) {
+; CHECK-LABEL: raw_atomic_buffer_load_v4i32:
+; CHECK: ; %bb.0: ; %bb
+; CHECK-NEXT: s_load_b128 s[0:3], s[0:1], 0x24
+; CHECK-NEXT: s_mov_b32 s4, 0
+; CHECK-NEXT: .LBB8_1: ; %bb1
+; CHECK-NEXT: ; =>This Inner Loop Header: Depth=1
+; CHECK-NEXT: s_waitcnt lgkmcnt(0)
+; CHECK-NEXT: buffer_load_b128 v[1:4], off, s[0:3], 0 offset:4 glc
+; CHECK-NEXT: s_waitcnt vmcnt(0)
+; CHECK-NEXT: v_cmp_ne_u32_e32 vcc_lo, v4, v0
+; CHECK-NEXT: s_or_b32 s4, vcc_lo, s4
+; CHECK-NEXT: s_delay_alu instid0(SALU_CYCLE_1)
+; CHECK-NEXT: s_and_not1_b32 exec_lo, exec_lo, s4
+; CHECK-NEXT: s_cbranch_execnz .LBB8_1
+; CHECK-NEXT: ; %bb.2: ; %bb2
+; CHECK-NEXT: s_endpgm
+bb:
+ %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+ br label %bb1
+bb1:
+ %load = call <4 x i32> @llvm.amdgcn.raw.atomic.buffer.load.v4i32(<4 x i32> %addr, i32 4, i32 0, i32 1)
+ %extracted = extractelement <4 x i32> %load, i32 3
+ %cmp = icmp eq i32 %extracted, %id
+ br i1 %cmp, label %bb1, label %bb2
+bb2:
+ ret void
+}
+
+define amdgpu_kernel void @raw_atomic_buffer_load_ptr(<4 x i32> %addr) {
+; CHECK-LABEL: raw_atomic_buffer_load_ptr:
+; CHECK: ; %bb.0: ; %bb
+; CHECK-NEXT: s_load_b128 s[0:3], s[0:1], 0x24
+; CHECK-NEXT: s_mov_b32 s4, 0
+; CHECK-NEXT: .LBB9_1: ; %bb1
+; CHECK-NEXT: ; =>This Inner Loop Header: Depth=1
+; CHECK-NEXT: s_waitcnt lgkmcnt(0)
+; CHECK-NEXT: buffer_load_b64 v[1:2], off, s[0:3], 0 offset:4 glc
+; CHECK-NEXT: s_waitcnt vmcnt(0)
+; CHECK-NEXT: flat_load_b32 v1, v[1:2]
+; CHECK-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
+; CHECK-NEXT: v_cmp_ne_u32_e32 vcc_lo, v1, v0
+; CHECK-NEXT: s_or_b32 s4, vcc_lo, s4
+; CHECK-NEXT: s_delay_alu instid0(SALU_CYCLE_1)
+; CHECK-NEXT: s_and_not1_b32 exec_lo, exec_lo, s4
+; CHECK-NEXT: s_cbranch_execnz .LBB9_1
+; CHECK-NEXT: ; %bb.2: ; %bb2
+; CHECK-NEXT: s_endpgm
+bb:
+ %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+ br label %bb1
+bb1:
+ %load = call ptr @llvm.amdgcn.raw.atomic.buffer.load.ptr(<4 x i32> %addr, i32 4, i32 0, i32 1)
+ %elem = load i32, ptr %load
+ %cmp = icmp eq i32 %elem, %id
+ br i1 %cmp, label %bb1, label %bb2
+bb2:
+ ret void
+}
+
+; Function Attrs: nounwind readonly
+declare i32 @llvm.amdgcn.raw.atomic.buffer.load.i32(<4 x i32>, i32, i32, i32 immarg)
+declare i64 @llvm.amdgcn.raw.atomic.buffer.load.i64(<4 x i32>, i32, i32, i32 immarg)
+declare <2 x i16> @llvm.amdgcn.raw.atomic.buffer.load.v2i16(<4 x i32>, i32, i32, i32 immarg)
+declare <4 x i16> @llvm.amdgcn.raw.atomic.buffer.load.v4i16(<4 x i32>, i32, i32, i32 immarg)
+declare <4 x i32> @llvm.amdgcn.raw.atomic.buffer.load.v4i32(<4 x i32>, i32, i32, i32 immarg)
+declare ptr @llvm.amdgcn.raw.atomic.buffer.load.ptr(<4 x i32>, i32, i32, i32 immarg)
+declare i32 @llvm.amdgcn.raw.buffer.load.i32(<4 x i32>, i32, i32, i32 immarg)
+declare i32 @llvm.amdgcn.workitem.id.x()
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.raw.atomic.ptr.buffer.load.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.raw.atomic.ptr.buffer.load.ll
new file mode 100644
index 0000000000000..987aa43aa4242
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.raw.atomic.ptr.buffer.load.ll
@@ -0,0 +1,304 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc < %s -march=amdgcn -mcpu=gfx1100 -verify-machineinstrs -global-isel=0 | FileCheck %s -check-prefix=CHECK
+; RUN: llc < %s -march=amdgcn -mcpu=gfx1100 -verify-machineinstrs -global-isel=1 | FileCheck %s -check-prefix=CHECK
+
+define amdgpu_kernel void @raw_atomic_ptr_buffer_ptr_load_i32(ptr addrspace(8) %ptr) {
+; CHECK-LABEL: raw_atomic_ptr_buffer_ptr_load_i32:
+; CHECK: ; %bb.0: ; %bb
+; CHECK-NEXT: s_load_b128 s[0:3], s[0:1], 0x24
+; CHECK-NEXT: s_mov_b32 s4, 0
+; CHECK-NEXT: .LBB0_1: ; %bb1
+; CHECK-NEXT: ; =>This Inner Loop Header: Depth=1
+; CHECK-NEXT: s_waitcnt lgkmcnt(0)
+; CHECK-NEXT: buffer_load_b32 v1, off, s[0:3], 0 glc
+; CHECK-NEXT: s_waitcnt vmcnt(0)
+; CHECK-NEXT: v_cmp_ne_u32_e32 vcc_lo, v1, v0
+; CHECK-NEXT: s_or_b32 s4, vcc_lo, s4
+; CHECK-NEXT: s_delay_alu instid0(SALU_CYCLE_1)
+; CHECK-NEXT: s_and_not1_b32 exec_lo, exec_lo, s4
+; CHECK-NEXT: s_cbranch_execnz .LBB0_1
+; CHECK-NEXT: ; %bb.2: ; %bb2
+; CHECK-...
[truncated]
``````````
</details>
https://github.com/llvm/llvm-project/pull/97707
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