| Matt Arsenault | 0b783ef0 | 2016-01-22 19:47:54 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=amdgcn -mattr=+promote-alloca -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s |
| 2 | |
| Mehdi Amini | 8c629ec | 2016-08-13 23:31:24 +0000 | [diff] [blame] | 3 | declare {}* @llvm.invariant.start.p0i8(i64, i8* nocapture) #0 |
| 4 | declare void @llvm.invariant.end.p0i8({}*, i64, i8* nocapture) #0 |
| Matt Arsenault | 0b783ef0 | 2016-01-22 19:47:54 +0000 | [diff] [blame] | 5 | declare i8* @llvm.invariant.group.barrier(i8*) #1 |
| 6 | |
| 7 | ; GCN-LABEL: {{^}}use_invariant_promotable_lds: |
| 8 | ; GCN: buffer_load_dword |
| 9 | ; GCN: ds_write_b32 |
| Matt Arsenault | 3dbeefa | 2017-03-21 21:39:51 +0000 | [diff] [blame^] | 10 | define amdgpu_kernel void @use_invariant_promotable_lds(i32 addrspace(1)* %arg) #2 { |
| Matt Arsenault | 0b783ef0 | 2016-01-22 19:47:54 +0000 | [diff] [blame] | 11 | bb: |
| 12 | %tmp = alloca i32, align 4 |
| 13 | %tmp1 = bitcast i32* %tmp to i8* |
| 14 | %tmp2 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 1 |
| 15 | %tmp3 = load i32, i32 addrspace(1)* %tmp2 |
| 16 | store i32 %tmp3, i32* %tmp |
| Mehdi Amini | 8c629ec | 2016-08-13 23:31:24 +0000 | [diff] [blame] | 17 | %tmp4 = call {}* @llvm.invariant.start.p0i8(i64 4, i8* %tmp1) #0 |
| 18 | call void @llvm.invariant.end.p0i8({}* %tmp4, i64 4, i8* %tmp1) #0 |
| Matt Arsenault | 0b783ef0 | 2016-01-22 19:47:54 +0000 | [diff] [blame] | 19 | %tmp5 = call i8* @llvm.invariant.group.barrier(i8* %tmp1) #1 |
| 20 | ret void |
| 21 | } |
| 22 | |
| 23 | attributes #0 = { argmemonly nounwind } |
| 24 | attributes #1 = { nounwind readnone } |
| 25 | attributes #2 = { nounwind } |