blob: 350b006ba5e08a7503a0b67c6ec42d91be4b3ee5 [file] [log] [blame]
Tom Stellard3e01d472014-12-08 23:36:48 +00001; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs -mattr=+load-store-opt -enable-misched < %s | FileCheck --check-prefix=CHECK %s
2; RUN: llc -march=r600 -mcpu=bonaire -verify-machineinstrs -mattr=+load-store-opt -enable-misched < %s | FileCheck --check-prefix=CHECK %s
3
4; This test is for a bug in the machine scheduler where stores without
5; an underlying object would be moved across the barrier. In this
6; test, the <2 x i8> store will be split into two i8 stores, so they
7; won't have an underlying object.
8
9; CHECK-LABEL: {{^}}test:
10; CHECK: ds_write_b8
11; CHECK: ds_write_b8
12; CHECK: s_barrier
13; CHECK: s_endpgm
14; Function Attrs: nounwind
15define void @test(<2 x i8> addrspace(3)* nocapture %arg, <2 x i8> addrspace(1)* nocapture readonly %arg1, i32 addrspace(1)* nocapture readonly %arg2, <2 x i8> addrspace(1)* nocapture %arg3, i32 %arg4, i64 %tmp9) {
16bb:
17 %tmp10 = getelementptr inbounds i32 addrspace(1)* %arg2, i64 %tmp9
18 %tmp13 = load i32 addrspace(1)* %tmp10, align 2
19 %tmp14 = getelementptr inbounds <2 x i8> addrspace(3)* %arg, i32 %tmp13
20 %tmp15 = load <2 x i8> addrspace(3)* %tmp14, align 2
21 %tmp16 = add i32 %tmp13, 1
22 %tmp17 = getelementptr inbounds <2 x i8> addrspace(3)* %arg, i32 %tmp16
23 store <2 x i8> %tmp15, <2 x i8> addrspace(3)* %tmp17, align 2
24 tail call void @llvm.AMDGPU.barrier.local() #2
25 %tmp25 = load i32 addrspace(1)* %tmp10, align 4
26 %tmp26 = sext i32 %tmp25 to i64
27 %tmp27 = sext i32 %arg4 to i64
28 %tmp28 = getelementptr inbounds <2 x i8> addrspace(3)* %arg, i32 %tmp25, i32 %arg4
29 %tmp29 = load i8 addrspace(3)* %tmp28, align 1
30 %tmp30 = getelementptr inbounds <2 x i8> addrspace(1)* %arg3, i64 %tmp26, i64 %tmp27
31 store i8 %tmp29, i8 addrspace(1)* %tmp30, align 1
32 %tmp32 = getelementptr inbounds <2 x i8> addrspace(3)* %arg, i32 %tmp25, i32 0
33 %tmp33 = load i8 addrspace(3)* %tmp32, align 1
34 %tmp35 = getelementptr inbounds <2 x i8> addrspace(1)* %arg3, i64 %tmp26, i64 0
35 store i8 %tmp33, i8 addrspace(1)* %tmp35, align 1
36 ret void
37}
38
39; Function Attrs: noduplicate nounwind
40declare void @llvm.AMDGPU.barrier.local() #2
41
42attributes #2 = { noduplicate nounwind }