57 lines
2.4 KiB
LLVM
57 lines
2.4 KiB
LLVM
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; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -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, i32 addrspace(3)* %ptr, i64 9
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; CHECK-NEXT: store i32 8, i32 addrspace(3)* %gep0, align 8
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; CHECK-NEXT: ret void
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define void @addrspacecast_gep_addrspacecast(i32 addrspace(3)* %ptr) {
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%asc0 = addrspacecast i32 addrspace(3)* %ptr to i32*
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%gep0 = getelementptr i32, i32* %asc0, i64 9
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%asc1 = addrspacecast i32* %gep0 to i32 addrspace(3)*
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store i32 8, i32 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, i32 addrspace(3)* %ptr, i64 9
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; CHECK: [[CAST:%.*]] = bitcast i32 addrspace(3)* [[GEP]] to i8 addrspace(3)*
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; CHECK-NEXT: store i8 8, i8 addrspace(3)* [[CAST]], align 8
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; CHECK-NEXT: ret void
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define void @addrspacecast_different_pointee_type(i32 addrspace(3)* %ptr) {
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%asc0 = addrspacecast i32 addrspace(3)* %ptr to i32*
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%gep0 = getelementptr i32, i32* %asc0, i64 9
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%asc1 = addrspacecast i32* %gep0 to i8 addrspace(3)*
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store i8 8, i8 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, i32 addrspace(3)* %ptr, i64 9
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; CHECK-NEXT: store volatile i32 addrspace(3)* %gep0, i32 addrspace(3)* addrspace(1)* undef
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; CHECK-NEXT: ret void
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define void @addrspacecast_to_memory(i32 addrspace(3)* %ptr) {
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%asc0 = addrspacecast i32 addrspace(3)* %ptr to i32*
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%gep0 = getelementptr i32, i32* %asc0, i64 9
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%asc1 = addrspacecast i32* %gep0 to i32 addrspace(3)*
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store volatile i32 addrspace(3)* %asc1, i32 addrspace(3)* addrspace(1)* undef
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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 i32 addrspace(3)* %ptr to i32*
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; CHECK-NEXT: store volatile i32* %asc0, i32* addrspace(1)* undef
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; CHECK-NEXT: %gep0 = getelementptr i32, i32 addrspace(3)* %ptr, i64 9
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; CHECK-NEXT: store i32 8, i32 addrspace(3)* %gep0, align 8
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; CHECK-NEXT: ret void
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define void @multiuse_addrspacecast_gep_addrspacecast(i32 addrspace(3)* %ptr) {
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%asc0 = addrspacecast i32 addrspace(3)* %ptr to i32*
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store volatile i32* %asc0, i32* addrspace(1)* undef
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%gep0 = getelementptr i32, i32* %asc0, i64 9
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%asc1 = addrspacecast i32* %gep0 to i32 addrspace(3)*
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store i32 8, i32 addrspace(3)* %asc1, align 8
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ret void
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}
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