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; 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 ]
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