37 lines
1.1 KiB
LLVM
37 lines
1.1 KiB
LLVM
; RUN: opt < %s -basicaa -gvn -S | FileCheck %s
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; PR15967
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; BasicAA claims no alias when there is (due to a problem when the MaxLookup
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; limit was reached).
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target datalayout = "e"
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%struct.foo = type { i32, i32 }
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define i32 @main() {
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%t = alloca %struct.foo, align 4
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%1 = getelementptr inbounds %struct.foo, %struct.foo* %t, i32 0, i32 0
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store i32 1, i32* %1, align 4
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%2 = getelementptr inbounds %struct.foo, %struct.foo* %t, i64 1
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%3 = bitcast %struct.foo* %2 to i8*
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%4 = getelementptr inbounds i8, i8* %3, i32 -1
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store i8 0, i8* %4
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%5 = getelementptr inbounds i8, i8* %4, i32 -1
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store i8 0, i8* %5
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%6 = getelementptr inbounds i8, i8* %5, i32 -1
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store i8 0, i8* %6
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%7 = getelementptr inbounds i8, i8* %6, i32 -1
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store i8 0, i8* %7
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%8 = getelementptr inbounds i8, i8* %7, i32 -1
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store i8 0, i8* %8
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%9 = getelementptr inbounds i8, i8* %8, i32 -1
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store i8 0, i8* %9
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%10 = getelementptr inbounds i8, i8* %9, i32 -1
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store i8 0, i8* %10
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%11 = getelementptr inbounds i8, i8* %10, i32 -1
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store i8 0, i8* %11
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%12 = load i32, i32* %1, align 4
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ret i32 %12
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; CHECK: ret i32 %12
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}
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