1 ; RUN: llc -march=amdgcn -verify-machineinstrs -mattr=+load-store-opt -enable-misched < %s | FileCheck %s
2 ; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs -mattr=+load-store-opt -enable-misched < %s | FileCheck %s
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.
9 ; CHECK-LABEL: {{^}}test:
14 ; Function Attrs: nounwind
15 define amdgpu_kernel 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) #0 {
17 %tmp10 = getelementptr inbounds i32, i32 addrspace(1)* %arg2, i64 %tmp9
18 %tmp13 = load i32, i32 addrspace(1)* %tmp10, align 2
19 %tmp14 = getelementptr inbounds <2 x i8>, <2 x i8> addrspace(3)* %arg, i32 %tmp13
20 %tmp15 = load <2 x i8>, <2 x i8> addrspace(3)* %tmp14, align 1
21 %tmp16 = add i32 %tmp13, 1
22 %tmp17 = getelementptr inbounds <2 x i8>, <2 x i8> addrspace(3)* %arg, i32 %tmp16
23 store <2 x i8> %tmp15, <2 x i8> addrspace(3)* %tmp17, align 1
24 tail call void @llvm.amdgcn.s.barrier()
25 %tmp25 = load i32, 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>, <2 x i8> addrspace(3)* %arg, i32 %tmp25, i32 %arg4
29 %tmp29 = load i8, i8 addrspace(3)* %tmp28, align 1
30 %tmp30 = getelementptr inbounds <2 x i8>, <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>, <2 x i8> addrspace(3)* %arg, i32 %tmp25, i32 0
33 %tmp33 = load i8, i8 addrspace(3)* %tmp32, align 1
34 %tmp35 = getelementptr inbounds <2 x i8>, <2 x i8> addrspace(1)* %arg3, i64 %tmp26, i64 0
35 store i8 %tmp33, i8 addrspace(1)* %tmp35, align 1
39 ; Function Attrs: convergent nounwind
40 declare void @llvm.amdgcn.s.barrier() #1
42 attributes #0 = { nounwind }
43 attributes #1 = { convergent nounwind }