| ; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mattr=+promote-alloca -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s |
| |
| declare {}* @llvm.invariant.start.p0i8(i64, i8* nocapture) #0 |
| declare void @llvm.invariant.end.p0i8({}*, i64, i8* nocapture) #0 |
| declare i8* @llvm.invariant.group.barrier(i8*) #1 |
| |
| ; GCN-LABEL: {{^}}use_invariant_promotable_lds: |
| ; GCN: buffer_load_dword |
| ; GCN: ds_write_b32 |
| define amdgpu_kernel void @use_invariant_promotable_lds(i32 addrspace(1)* %arg) #2 { |
| bb: |
| %tmp = alloca i32, align 4 |
| %tmp1 = bitcast i32* %tmp to i8* |
| %tmp2 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 1 |
| %tmp3 = load i32, i32 addrspace(1)* %tmp2 |
| store i32 %tmp3, i32* %tmp |
| %tmp4 = call {}* @llvm.invariant.start.p0i8(i64 4, i8* %tmp1) #0 |
| call void @llvm.invariant.end.p0i8({}* %tmp4, i64 4, i8* %tmp1) #0 |
| %tmp5 = call i8* @llvm.invariant.group.barrier(i8* %tmp1) #1 |
| ret void |
| } |
| |
| attributes #0 = { argmemonly nounwind } |
| attributes #1 = { nounwind readnone } |
| attributes #2 = { nounwind } |
