41 lines
1.0 KiB
LLVM
41 lines
1.0 KiB
LLVM
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; RUN: opt < %s -inline -S | not grep "tail call void @llvm.memcpy.p0i8.p0i8.i32"
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; PR3550
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define internal void @foo(i32* %p, i32* %q) {
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; CHECK-NOT: @foo
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entry:
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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, i1 false)
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ret void
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}
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define i32 @main() personality i32 (...)* @__gxx_personality_v0 {
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; CHECK-LABEL: define i32 @main() personality i32 (...)* @__gxx_personality_v0
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entry:
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%a = alloca i32
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%b = alloca i32
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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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; CHECK-NOT: invoke
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; CHECK-NOT: @foo
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; CHECK-NOT: tail
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; CHECK: call void @llvm.memcpy.p0i8.p0i8.i32
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; CHECK: br
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invcont:
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%retval = load i32, i32* %a, align 4
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ret i32 %retval
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lpad:
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%exn = landingpad {i8*, i32}
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catch i8* null
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unreachable
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}
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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, i1) nounwind
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