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706fc0221d
SROA shifts TBAA nodes in a way that may present a problem for !tbaa but not !tbaa.struct nodes. Differential Revision: https://reviews.llvm.org/D99851
37 lines
1.4 KiB
LLVM
37 lines
1.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -sroa %s | FileCheck %s
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; This should not crash
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%class.ar = type { i8 }
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%class.anon = type <{ %class.ar, [7 x i8], { i64, i64 } }>
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define void @caller() {
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; CHECK-LABEL: @caller(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[AGG:%.*]] = alloca [[CLASS_ANON:%.*]], align 8
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; CHECK-NEXT: [[OFF:%.*]] = getelementptr inbounds [[CLASS_ANON]], %class.anon* [[AGG]], i32 0, i32 2
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; CHECK-NEXT: [[DOTFCA_0_GEP:%.*]] = getelementptr inbounds { i64, i64 }, { i64, i64 }* [[OFF]], i32 0, i32 0
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; CHECK-NEXT: store i64 1, i64* [[DOTFCA_0_GEP]], align 8, !tbaa [[TBAA0:![0-9]+]]
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; CHECK-NEXT: [[DOTFCA_1_GEP:%.*]] = getelementptr inbounds { i64, i64 }, { i64, i64 }* [[OFF]], i32 0, i32 1
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; CHECK-NEXT: store i64 2, i64* [[DOTFCA_1_GEP]], align 8, !tbaa [[TBAA0]]
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; CHECK-NEXT: call void @use(%class.anon* [[AGG]])
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; CHECK-NEXT: ret void
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;
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entry:
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%agg = alloca %class.anon, align 8
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%off = getelementptr inbounds %class.anon, %class.anon* %agg, i32 0, i32 2
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store { i64, i64 } { i64 1, i64 2 }, { i64, i64 }* %off, align 8, !tbaa !7
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call void @use(%class.anon* %agg)
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ret void
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}
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declare void @use(%class.anon* %this)
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!3 = !{!"omnipotent char", !4, i64 0}
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!4 = !{!"Simple C++ TBAA"}
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!7 = !{!8, !3, i64 8}
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!8 = !{!"_ZTSZN2ax2baEMS_FvvE2an2arE3$_0", !9, i64 0, !3, i64 8}
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!9 = !{!"_ZTS2ar"}
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