mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-26 04:32:44 +01:00
eab7033667
Summary: The return value of a TryToUnfoldSelect call was not checked, which led to an incorrectly preserved loop info and some crash. The original crash was reported on https://reviews.llvm.org/D59514. Reviewers: davidxl, amehsan Reviewed By: davidxl Subscribers: fhahn, brzycki, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D61920 llvm-svn: 360780
31 lines
988 B
LLVM
31 lines
988 B
LLVM
; RUN: opt -passes='require<loops>,jump-threading,verify<loops>' -S < %s
|
|
|
|
%"type1" = type { i8 }
|
|
%"type2" = type opaque
|
|
|
|
define dso_local i16* @func2(%"type1"* %this, %"type2"*) {
|
|
entry:
|
|
br label %while.cond
|
|
|
|
while.cond: ; preds = %func1.exit, %entry
|
|
%month.0 = phi i32 [ undef, %entry ], [ %month.0.be, %func1.exit ]
|
|
switch i32 %month.0, label %if.end.i [
|
|
i32 4, label %func1.exit
|
|
i32 1, label %func1.exit
|
|
]
|
|
|
|
if.end.i: ; preds = %while.cond
|
|
br label %func1.exit
|
|
|
|
func1.exit: ; preds = %if.end.i, %while.cond, %while.cond
|
|
%retval.0.i = phi i32 [ 9, %if.end.i ], [ 0, %while.cond ], [ 0, %while.cond ]
|
|
%call2 = tail call signext i32 @func3(i32 signext %retval.0.i, i32 signext 1, i32 signext 3)
|
|
%cmp = icmp slt i32 %call2, 1
|
|
%add = add nsw i32 %call2, 2
|
|
%month.0.be = select i1 %cmp, i32 %add, i32 %call2
|
|
br label %while.cond
|
|
}
|
|
|
|
declare i32 @func3(i32, i32, i32)
|
|
|