derek.holloway
7502bf64a4
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56 lines
2.3 KiB
LLVM
56 lines
2.3 KiB
LLVM
; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -passes=infer-address-spaces %s | FileCheck %s
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; Test that pure addrspacecast instructions not directly connected to
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; a memory operation are inferred.
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; CHECK-LABEL: @addrspacecast_gep_addrspacecast(
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; CHECK: %gep0 = getelementptr i32, ptr addrspace(3) %ptr, i64 9
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; CHECK-NEXT: store i32 8, ptr addrspace(3) %gep0, align 8
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; CHECK-NEXT: ret void
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define void @addrspacecast_gep_addrspacecast(ptr addrspace(3) %ptr) {
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%asc0 = addrspacecast ptr addrspace(3) %ptr to ptr
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%gep0 = getelementptr i32, ptr %asc0, i64 9
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%asc1 = addrspacecast ptr %gep0 to ptr addrspace(3)
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store i32 8, ptr addrspace(3) %asc1, align 8
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ret void
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}
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; CHECK-LABEL: @addrspacecast_different_pointee_type(
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; CHECK: [[GEP:%.*]] = getelementptr i32, ptr addrspace(3) %ptr, i64 9
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; CHECK-NEXT: store i8 8, ptr addrspace(3) [[GEP]], align 8
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; CHECK-NEXT: ret void
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define void @addrspacecast_different_pointee_type(ptr addrspace(3) %ptr) {
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%asc0 = addrspacecast ptr addrspace(3) %ptr to ptr
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%gep0 = getelementptr i32, ptr %asc0, i64 9
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%asc1 = addrspacecast ptr %gep0 to ptr addrspace(3)
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store i8 8, ptr addrspace(3) %asc1, align 8
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ret void
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}
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; CHECK-LABEL: @addrspacecast_to_memory(
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; CHECK: %gep0 = getelementptr i32, ptr addrspace(3) %ptr, i64 9
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; CHECK-NEXT: store volatile ptr addrspace(3) %gep0, ptr addrspace(1) poison
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; CHECK-NEXT: ret void
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define void @addrspacecast_to_memory(ptr addrspace(3) %ptr) {
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%asc0 = addrspacecast ptr addrspace(3) %ptr to ptr
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%gep0 = getelementptr i32, ptr %asc0, i64 9
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%asc1 = addrspacecast ptr %gep0 to ptr addrspace(3)
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store volatile ptr addrspace(3) %asc1, ptr addrspace(1) poison
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ret void
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}
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; CHECK-LABEL: @multiuse_addrspacecast_gep_addrspacecast(
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; CHECK: %asc0 = addrspacecast ptr addrspace(3) %ptr to ptr
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; CHECK-NEXT: store volatile ptr %asc0, ptr addrspace(1) poison
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; CHECK-NEXT: %gep0 = getelementptr i32, ptr addrspace(3) %ptr, i64 9
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; CHECK-NEXT: store i32 8, ptr addrspace(3) %gep0, align 8
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; CHECK-NEXT: ret void
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define void @multiuse_addrspacecast_gep_addrspacecast(ptr addrspace(3) %ptr) {
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%asc0 = addrspacecast ptr addrspace(3) %ptr to ptr
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store volatile ptr %asc0, ptr addrspace(1) poison
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%gep0 = getelementptr i32, ptr %asc0, i64 9
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%asc1 = addrspacecast ptr %gep0 to ptr addrspace(3)
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store i32 8, ptr addrspace(3) %asc1, align 8
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ret void
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}
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