1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
; RUN: opt < %s -inline -S | not grep "tail call void @llvm.memcpy.i32"
; PR3550
define internal void @foo(i32* %p, i32* %q) {
%pp = bitcast i32* %p to i8*
%qq = bitcast i32* %q to i8*
tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %pp, i8* %qq, i32 4, i32 1, i1 false)
ret void
}
declare void @llvm.memcpy.i32(i8* nocapture, i8* nocapture, i32, i32) nounwind
define i32 @main() {
%a = alloca i32 ; <i32*> [#uses=3]
%b = alloca i32 ; <i32*> [#uses=2]
store i32 1, i32* %a, align 4
store i32 0, i32* %b, align 4
invoke void @foo(i32* %a, i32* %b)
to label %invcont unwind label %lpad
invcont:
%retval = load i32, i32* %a, align 4
ret i32 %retval
lpad:
%exn = landingpad {i8*, i32} personality i32 (...)* @__gxx_personality_v0
catch i8* null
unreachable
}
declare i32 @__gxx_personality_v0(...)
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
|
