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30 lines
639 B
LLVM
30 lines
639 B
LLVM
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; RUN: opt -basicaa -gvn -S %s | FileCheck %s
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%MyStruct = type { i32, i32 }
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define i8 @foo(i64 %in, i8* %arr) {
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%addr = alloca %MyStruct
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%dead = trunc i64 %in to i32
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br i1 undef, label %next, label %tmp
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tmp:
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call void @bar()
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br label %next
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next:
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%addr64 = bitcast %MyStruct* %addr to i64*
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store i64 %in, i64* %addr64
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br label %final
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final:
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%addr32 = getelementptr %MyStruct, %MyStruct* %addr, i32 0, i32 0
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%idx32 = load i32, i32* %addr32
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; CHECK: %resptr = getelementptr i8, i8* %arr, i32 %dead
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%resptr = getelementptr i8, i8* %arr, i32 %idx32
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%res = load i8, i8* %resptr
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ret i8 %res
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}
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declare void @bar()
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