derek.holloway
7502bf64a4
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82 lines
4.9 KiB
LLVM
82 lines
4.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
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; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -passes=instcombine %s | FileCheck %s
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; It is illegal to pass ptr addrspace(4) in %arg by addrspacecasting
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; to ptr addrspace(5) to pass off to the stack argument. A temporary
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; alloca and memcpy is necessary.
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define void @issue68120_invalid_addrspacecast_introduced_0(ptr addrspace(4) byref([56 x i8]) %arg) {
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; CHECK-LABEL: define void @issue68120_invalid_addrspacecast_introduced_0(
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; CHECK-SAME: ptr addrspace(4) byref([56 x i8]) [[ARG:%.*]]) {
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; CHECK-NEXT: [[ADDRSPACECAST_0_TO_5:%.*]] = alloca [56 x i8], align 1, addrspace(5)
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; CHECK-NEXT: call void @llvm.memcpy.p5.p4.i64(ptr addrspace(5) noundef align 1 dereferenceable(56) [[ADDRSPACECAST_0_TO_5]], ptr addrspace(4) noundef align 1 dereferenceable(56) [[ARG]], i64 56, i1 false)
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; CHECK-NEXT: call void @byval_func(ptr addrspace(5) [[ADDRSPACECAST_0_TO_5]])
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; CHECK-NEXT: ret void
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;
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%alloca = alloca [56 x i8], addrspace(5)
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%alloca1 = alloca [56 x i8], addrspace(5)
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call void @llvm.memcpy.p5.p4.i64(ptr addrspace(5) %alloca, ptr addrspace(4) %arg, i64 56, i1 false)
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call void @llvm.memcpy.p5.p5.i64(ptr addrspace(5) %alloca1, ptr addrspace(5) %alloca, i64 56, i1 false)
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%addrspacecast.alloca1 = addrspacecast ptr addrspace(5) %alloca1 to ptr
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%addrspacecast.0.to.5 = addrspacecast ptr %addrspacecast.alloca1 to ptr addrspace(5)
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call void @byval_func(ptr addrspace(5) %addrspacecast.0.to.5)
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ret void
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}
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; Further reduced variant that already eliminated one of the copies
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define void @issue68120_invalid_addrspacecast_introduced_1(ptr addrspace(4) byref([56 x i8]) %arg) {
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; CHECK-LABEL: define void @issue68120_invalid_addrspacecast_introduced_1(
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; CHECK-SAME: ptr addrspace(4) byref([56 x i8]) [[ARG:%.*]]) {
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; CHECK-NEXT: [[ADDRSPACECAST_0_TO_5:%.*]] = alloca [56 x i8], align 1, addrspace(5)
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; CHECK-NEXT: call void @llvm.memcpy.p5.p4.i64(ptr addrspace(5) noundef align 1 dereferenceable(56) [[ADDRSPACECAST_0_TO_5]], ptr addrspace(4) noundef align 1 dereferenceable(56) [[ARG]], i64 56, i1 false)
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; CHECK-NEXT: call void @byval_func(ptr addrspace(5) [[ADDRSPACECAST_0_TO_5]])
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; CHECK-NEXT: ret void
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;
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%alloca = alloca [56 x i8], addrspace(5)
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call void @llvm.memcpy.p5.p4.i64(ptr addrspace(5) %alloca, ptr addrspace(4) %arg, i64 56, i1 false)
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%addrspacecast.alloca = addrspacecast ptr addrspace(5) %alloca to ptr
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%addrspacecast.0.to.5 = addrspacecast ptr %addrspacecast.alloca to ptr addrspace(5)
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call void @byval_func(ptr addrspace(5) %addrspacecast.0.to.5)
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ret void
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}
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define void @issue68120_use_cast_to_as0(ptr addrspace(4) byref([56 x i8]) %arg) {
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; CHECK-LABEL: define void @issue68120_use_cast_to_as0(
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; CHECK-SAME: ptr addrspace(4) byref([56 x i8]) [[ARG:%.*]]) {
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; CHECK-NEXT: [[ALLOCA:%.*]] = alloca [56 x i8], align 1, addrspace(5)
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; CHECK-NEXT: call void @llvm.memcpy.p5.p4.i64(ptr addrspace(5) noundef align 1 dereferenceable(56) [[ALLOCA]], ptr addrspace(4) noundef align 1 dereferenceable(56) [[ARG]], i64 56, i1 false)
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; CHECK-NEXT: [[ADDRSPACECAST_ALLOCA:%.*]] = addrspacecast ptr addrspace(5) [[ALLOCA]] to ptr
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; CHECK-NEXT: call void @other_func(ptr [[ADDRSPACECAST_ALLOCA]])
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; CHECK-NEXT: ret void
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;
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%alloca = alloca [56 x i8], addrspace(5)
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call void @llvm.memcpy.p5.p4.i64(ptr addrspace(5) %alloca, ptr addrspace(4) %arg, i64 56, i1 false)
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%addrspacecast.alloca = addrspacecast ptr addrspace(5) %alloca to ptr
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%addrspacecast.0.to.5 = addrspacecast ptr %addrspacecast.alloca to ptr addrspace(5)
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call void @other_func(ptr %addrspacecast.alloca)
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ret void
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}
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define void @issue68120_uses_invalid_addrspacecast(ptr addrspace(4) byref([56 x i8]) %arg) {
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; CHECK-LABEL: define void @issue68120_uses_invalid_addrspacecast(
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; CHECK-SAME: ptr addrspace(4) byref([56 x i8]) [[ARG:%.*]]) {
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; CHECK-NEXT: [[ADDRSPACECAST_0_TO_5:%.*]] = alloca [56 x i8], align 1, addrspace(5)
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; CHECK-NEXT: call void @llvm.memcpy.p5.p4.i64(ptr addrspace(5) noundef align 1 dereferenceable(56) [[ADDRSPACECAST_0_TO_5]], ptr addrspace(4) noundef align 1 dereferenceable(56) [[ARG]], i64 56, i1 false)
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; CHECK-NEXT: call void @byval_func(ptr addrspace(5) [[ADDRSPACECAST_0_TO_5]])
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; CHECK-NEXT: ret void
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;
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%alloca = alloca [56 x i8], addrspace(5)
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%alloca1 = alloca [56 x i8], addrspace(5)
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%illegal.cast = addrspacecast ptr addrspace(4) %arg to ptr addrspace(5)
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call void @llvm.memcpy.p5.p5.i64(ptr addrspace(5) %alloca, ptr addrspace(5) %illegal.cast, i64 56, i1 false)
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call void @llvm.memcpy.p5.p5.i64(ptr addrspace(5) %alloca1, ptr addrspace(5) %alloca, i64 56, i1 false)
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%addrspacecast.alloca1 = addrspacecast ptr addrspace(5) %alloca1 to ptr
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%addrspacecast.0.to.5 = addrspacecast ptr %addrspacecast.alloca1 to ptr addrspace(5)
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call void @byval_func(ptr addrspace(5) %addrspacecast.0.to.5)
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ret void
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}
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declare void @byval_func(ptr addrspace(5) byval([56 x i8]))
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declare void @other_func(ptr)
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