mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-02 00:42:52 +01:00
d2e75c9ae0
where a loop's header is being split and it has predecessors which are not contained by the most-nested loop which contains the loop. This fixes PR5235. llvm-svn: 84505
21 lines
620 B
LLVM
21 lines
620 B
LLVM
; RUN: opt -S -loopsimplify -disable-output -verify-loop-info -verify-dom-info < %s
|
|
; PR5235
|
|
|
|
; When loopsimplify inserts a preheader for this loop, it should add the new
|
|
; block to the enclosing loop and not get confused by the unreachable
|
|
; bogus loop entry.
|
|
|
|
define void @is_extract_cab() nounwind {
|
|
entry:
|
|
br label %header
|
|
|
|
header: ; preds = %if.end206, %cond.end66, %if.end23
|
|
br label %while.body115
|
|
|
|
while.body115: ; preds = %9, %if.end192, %if.end101
|
|
br i1 undef, label %header, label %while.body115
|
|
|
|
foo:
|
|
br label %while.body115
|
|
}
|