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14dbe93675
There was a combine before to handle the simple copy case. Split this into handling loads and stores separately. We might want to change how this handles some of the vector extloads, since this can result in large code size increases. llvm-svn: 274394
44 lines
2.1 KiB
LLVM
44 lines
2.1 KiB
LLVM
; RUN: llc -march=amdgcn -verify-machineinstrs -mattr=+load-store-opt -enable-misched < %s | FileCheck %s
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; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs -mattr=+load-store-opt -enable-misched < %s | FileCheck %s
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; This test is for a bug in the machine scheduler where stores without
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; an underlying object would be moved across the barrier. In this
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; test, the <2 x i8> store will be split into two i8 stores, so they
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; won't have an underlying object.
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; CHECK-LABEL: {{^}}test:
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; CHECK: ds_write_b8
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; CHECK: ds_write_b8
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; CHECK: s_barrier
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; CHECK: s_endpgm
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; Function Attrs: nounwind
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define 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 {
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bb:
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%tmp10 = getelementptr inbounds i32, i32 addrspace(1)* %arg2, i64 %tmp9
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%tmp13 = load i32, i32 addrspace(1)* %tmp10, align 2
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%tmp14 = getelementptr inbounds <2 x i8>, <2 x i8> addrspace(3)* %arg, i32 %tmp13
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%tmp15 = load <2 x i8>, <2 x i8> addrspace(3)* %tmp14, align 1
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%tmp16 = add i32 %tmp13, 1
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%tmp17 = getelementptr inbounds <2 x i8>, <2 x i8> addrspace(3)* %arg, i32 %tmp16
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store <2 x i8> %tmp15, <2 x i8> addrspace(3)* %tmp17, align 1
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tail call void @llvm.amdgcn.s.barrier()
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%tmp25 = load i32, i32 addrspace(1)* %tmp10, align 4
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%tmp26 = sext i32 %tmp25 to i64
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%tmp27 = sext i32 %arg4 to i64
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%tmp28 = getelementptr inbounds <2 x i8>, <2 x i8> addrspace(3)* %arg, i32 %tmp25, i32 %arg4
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%tmp29 = load i8, i8 addrspace(3)* %tmp28, align 1
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%tmp30 = getelementptr inbounds <2 x i8>, <2 x i8> addrspace(1)* %arg3, i64 %tmp26, i64 %tmp27
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store i8 %tmp29, i8 addrspace(1)* %tmp30, align 1
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%tmp32 = getelementptr inbounds <2 x i8>, <2 x i8> addrspace(3)* %arg, i32 %tmp25, i32 0
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%tmp33 = load i8, i8 addrspace(3)* %tmp32, align 1
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%tmp35 = getelementptr inbounds <2 x i8>, <2 x i8> addrspace(1)* %arg3, i64 %tmp26, i64 0
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store i8 %tmp33, i8 addrspace(1)* %tmp35, align 1
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ret void
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}
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; Function Attrs: convergent nounwind
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declare void @llvm.amdgcn.s.barrier() #1
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attributes #0 = { nounwind }
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attributes #1 = { convergent nounwind }
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