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34 lines
808 B
LLVM
34 lines
808 B
LLVM
; RUN: opt < %s -basicaa -globalsmodref-aa -gvn -S | FileCheck %s
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declare void @llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
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define void @foo(i8* %x, i8* %y) {
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* %x, i8* %y, i32 1, i32 1, i1 false);
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ret void
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}
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define void @bar(i8* %y, i8* %z) {
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%x = alloca i8
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call void @foo(i8* %x, i8* %y)
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%t = load i8* %x
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store i8 %t, i8* %y
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; CHECK: store i8 %t, i8* %y
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ret void
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}
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define i32 @foo2() {
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%foo = alloca i32
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call void @bar2(i32* %foo)
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%t0 = load i32* %foo, align 4
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; CHECK: %t0 = load i32* %foo, align 4
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ret i32 %t0
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}
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define void @bar2(i32* %foo) {
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store i32 0, i32* %foo, align 4
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tail call void @llvm.dbg.value(metadata !{}, i64 0, metadata !{})
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ret void
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}
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declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
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