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53 lines
1.8 KiB
LLVM
53 lines
1.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -passes=infer-address-spaces -o - %s | FileCheck %s
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; https://github.com/llvm/llvm-project/issues/53665
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define i32 @addrspacecast_ptrtoint_inttoptr(ptr addrspace(1) %arg) {
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; CHECK-LABEL: @addrspacecast_ptrtoint_inttoptr(
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; CHECK-NEXT: bb:
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; CHECK-NEXT: [[LOAD:%.*]] = load i32, ptr addrspace(1) [[ARG:%.*]], align 4
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; CHECK-NEXT: ret i32 [[LOAD]]
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;
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bb:
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%asc = addrspacecast ptr addrspace(1) %arg to ptr
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%p2i = ptrtoint ptr %asc to i64
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%i2p = inttoptr i64 %p2i to ptr
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%load = load i32, ptr %i2p
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ret i32 %load
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}
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define i32 @assumed_ptrtoint_inttoptr(ptr %arg) {
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bb:
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%is.priv = call i1 @llvm.amdgcn.is.private(ptr %arg)
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%not.is.priv = xor i1 %is.priv, -1
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%is.shared = call i1 @llvm.amdgcn.is.shared(ptr %arg)
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%not.is.shared = xor i1 %is.shared, -1
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%and = and i1 %not.is.priv, %not.is.shared
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tail call void @llvm.assume(i1 %and)
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%p2i = ptrtoint ptr %arg to i64
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%i2p = inttoptr i64 %p2i to ptr
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%load = load i32, ptr %i2p
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ret i32 %load
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}
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define i32 @addrspacecast_ptrtoint_inttptr_nontrivial(ptr addrspace(3) %arg) {
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; CHECK-LABEL: @addrspacecast_ptrtoint_inttptr_nontrivial(
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; CHECK-NEXT: bb:
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; CHECK-NEXT: [[LOAD:%.*]] = load i32, ptr addrspace(3) [[ARG:%.*]], align 4
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; CHECK-NEXT: ret i32 [[LOAD]]
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;
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bb:
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%asc = addrspacecast ptr addrspace(3) %arg to ptr
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%p2i = ptrtoint ptr %asc to i64
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%i2p = inttoptr i64 %p2i to ptr
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%load = load i32, ptr %i2p
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ret i32 %load
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}
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declare void @llvm.assume(i1 noundef) #0
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declare i1 @llvm.amdgcn.is.shared(ptr nocapture) #1
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declare i1 @llvm.amdgcn.is.private(ptr nocapture) #1
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attributes #0 = { inaccessiblememonly nofree nosync nounwind willreturn }
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attributes #1 = { nounwind readnone speculatable willreturn }
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