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