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38 lines
1.0 KiB
LLVM
38 lines
1.0 KiB
LLVM
; RUN: opt < %s -inline -S | not grep {tail call void @llvm.memcpy.i32}
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; PR3550
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define internal void @foo(i32* %p, i32* %q) {
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%pp = bitcast i32* %p to i8*
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%qq = bitcast i32* %q to i8*
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tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %pp, i8* %qq, i32 4, i32 1, i1 false)
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ret void
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}
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declare void @llvm.memcpy.i32(i8* nocapture, i8* nocapture, i32, i32) nounwind
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define i32 @main() {
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%a = alloca i32 ; <i32*> [#uses=3]
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%b = alloca i32 ; <i32*> [#uses=2]
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store i32 1, i32* %a, align 4
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store i32 0, i32* %b, align 4
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invoke void @foo(i32* %a, i32* %b)
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to label %invcont unwind label %lpad
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invcont:
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%retval = load i32* %a, align 4
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ret i32 %retval
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lpad:
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%exn = landingpad {i8*, i32} personality i32 (...)* @__gxx_personality_v0
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catch i8* null
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unreachable
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}
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declare i8* @llvm.eh.exception() nounwind readonly
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declare i32 @llvm.eh.selector(i8*, i8*, ...) nounwind
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declare i32 @__gxx_personality_v0(...)
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declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
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