derek.holloway
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35 lines
2.1 KiB
LLVM
35 lines
2.1 KiB
LLVM
; RUN: llc -mtriple=amdgcn -mcpu=gfx900 -stop-after=finalize-isel < %s | FileCheck %s
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; This test verifies that instruction selection will propagate alias metadata
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; to split loads and stores.
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; CHECK: %{{[0-9]+}}:vreg_128 = DS_READ_B128_gfx9 {{.*}} :: (load (s128) from %{{.*}}, align 32, !alias.scope ![[IN:[0-9]+]], !noalias ![[OUT:[0-9]+]], addrspace 3)
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; CHECK-NEXT: %{{[0-9]+}}:vreg_128 = DS_READ_B128_gfx9 {{.*}} :: (load (s128) from %{{.*}}, !alias.scope ![[IN]], !noalias ![[OUT]], addrspace 3)
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; CHECK-NEXT: %{{[0-9]+}}:vreg_128 = DS_READ_B128_gfx9 {{.*}} :: (load (s128) from %{{.*}}, align 32, !alias.scope ![[IN]], !noalias ![[OUT]], addrspace 3)
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; CHECK-NEXT: %{{[0-9]+}}:vreg_128 = DS_READ_B128_gfx9 {{.*}} :: (load (s128) from %{{.*}}, !alias.scope ![[IN]], !noalias ![[OUT]], addrspace 3)
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; CHECK: DS_WRITE_B128_gfx9 {{.*}} :: (store (s128) into %{{.*}}, !alias.scope ![[OUT]], !noalias ![[IN]], addrspace 3)
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; CHECK-NEXT: %{{[0-9]+}}:vreg_128 = REG_SEQUENCE
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; CHECK-NEXT: DS_WRITE_B128_gfx9 {{.*}} :: (store (s128) into %{{.*}}, !alias.scope ![[OUT]], !noalias ![[IN]], addrspace 3)
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; CHECK-NEXT: %{{[0-9]+}}:vreg_128 = REG_SEQUENCE
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; CHECK-NEXT: DS_WRITE_B128_gfx9 {{.*}} :: (store (s128) into %{{.*}}, !alias.scope ![[OUT]], !noalias ![[IN]], addrspace 3)
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; CHECK-NEXT: %{{[0-9]+}}:vreg_128 = REG_SEQUENCE
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; CHECK-NEXT: DS_WRITE_B128_gfx9 {{.*}} :: (store (s128) into %{{.*}}, !alias.scope ![[OUT]], !noalias ![[IN]], addrspace 3)
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define amdgpu_kernel void @test(ptr addrspace(3) noalias %in, ptr addrspace(3) noalias %out) {
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%idx = call i32 @llvm.amdgcn.workitem.id.x()
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%in.addr = getelementptr <16 x float>, ptr addrspace(3) %in, i32 %idx
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%val.0 = load <16 x float>, ptr addrspace(3) %in.addr, align 32, !alias.scope !4, !noalias !5
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%val.1 = fadd <16 x float> %val.0, %val.0
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%out.addr = getelementptr <16 x float>, ptr addrspace(3) %out, i32 %idx
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store <16 x float> %val.1, ptr addrspace(3) %out.addr, align 32, !alias.scope !5, !noalias !4
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ret void
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}
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declare i32 @llvm.amdgcn.workitem.id.x()
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!0 = !{!"inout.domain"}
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!1 = !{!"in.scope", !0}
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!2 = !{!"out.scope", !0}
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!4 = !{!1}
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!5 = !{!2}
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