mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-12-26 13:36:28 +00:00
41 lines
1.3 KiB
LLVM
41 lines
1.3 KiB
LLVM
; RUN: opt < %s -scalarrepl -S | FileCheck %s
|
|
; PR10987
|
|
|
|
; Make sure scalarrepl doesn't move a load across an invoke which could
|
|
; modify the loaded value.
|
|
; (The PHI could theoretically be transformed by splitting the critical
|
|
; edge, but scalarrepl doesn't modify the CFG, at least at the moment.)
|
|
|
|
declare void @extern_fn(i32*)
|
|
declare i32 @extern_fn2(i32)
|
|
declare i32 @__gcc_personality_v0(i32, i64, i8*, i8*)
|
|
|
|
define void @odd_fn(i1) noinline {
|
|
%retptr1 = alloca i32
|
|
%retptr2 = alloca i32
|
|
br i1 %0, label %then, label %else
|
|
|
|
then: ; preds = %2
|
|
invoke void @extern_fn(i32* %retptr1)
|
|
to label %join unwind label %unwind
|
|
|
|
else: ; preds = %2
|
|
store i32 3, i32* %retptr2
|
|
br label %join
|
|
|
|
join: ; preds = %then, %else
|
|
%storemerge.in = phi i32* [ %retptr2, %else ], [ %retptr1, %then ]
|
|
%storemerge = load i32* %storemerge.in
|
|
%x3 = call i32 @extern_fn2(i32 %storemerge)
|
|
ret void
|
|
|
|
unwind: ; preds = %then
|
|
%info = landingpad { i8*, i32 } personality i32 (i32, i64, i8*, i8*)* @__gcc_personality_v0
|
|
cleanup
|
|
call void @extern_fn(i32* null)
|
|
unreachable
|
|
}
|
|
|
|
; CHECK: define void @odd_fn
|
|
; CHECK: %storemerge.in = phi i32* [ %retptr2, %else ], [ %retptr1, %then ]
|