mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-26 04:32:44 +01:00
70ded5026c
Respect the MaxDepth recursion limit, doing otherwise will trigger an assert in computeKnownBits. This fixes PR21891. llvm-svn: 224168
19 lines
485 B
LLVM
19 lines
485 B
LLVM
; RUN: opt %s -instcombine
|
|
|
|
define i32 @f(i32 %theNumber) {
|
|
entry:
|
|
%cmp = icmp sgt i32 %theNumber, -1
|
|
call void @llvm.assume(i1 %cmp)
|
|
br i1 true, label %if.then, label %if.end
|
|
|
|
if.then: ; preds = %entry
|
|
%shl = shl nuw i32 %theNumber, 1
|
|
br label %if.end
|
|
|
|
if.end: ; preds = %if.then, %entry
|
|
%phi = phi i32 [ %shl, %if.then ], [ undef, %entry ]
|
|
ret i32 %phi
|
|
}
|
|
|
|
declare void @llvm.assume(i1)
|