mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-31 16:02:52 +01:00
8b6d220330
after the given instruction; make sure to handle that case correctly. (It's difficult to trigger; the included testcase involves a dead block, but I don't think that's a requirement.) While I'm here, get rid of the unnecessary warning about SimplifyInstructionsInBlock, since it should work correctly as far as I know. llvm-svn: 128782
33 lines
1.0 KiB
LLVM
33 lines
1.0 KiB
LLVM
; RUN: opt < %s -jump-threading
|
|
; PR9446
|
|
; Just check that it doesn't crash
|
|
|
|
define void @int327() nounwind {
|
|
entry:
|
|
unreachable
|
|
|
|
for.cond: ; preds = %for.cond4
|
|
%tobool3 = icmp eq i8 undef, 0
|
|
br i1 %tobool3, label %for.cond23, label %for.cond4
|
|
|
|
for.cond4: ; preds = %for.cond
|
|
br label %for.cond
|
|
|
|
for.cond23: ; preds = %for.body28, %for.cond23, %for.cond
|
|
%conv321 = phi i32 [ %conv32, %for.body28 ], [ 0, %for.cond ], [ %conv321, %for.cond23 ]
|
|
%l_266.0 = phi i32 [ %phitmp, %for.body28 ], [ 0, %for.cond ], [ 0, %for.cond23 ]
|
|
%cmp26 = icmp eq i32 %l_266.0, 0
|
|
br i1 %cmp26, label %for.body28, label %for.cond23
|
|
|
|
for.body28: ; preds = %for.cond23
|
|
%and = and i32 %conv321, 1
|
|
%conv32 = zext i8 undef to i32
|
|
%add = add nsw i32 %l_266.0, 1
|
|
%phitmp = and i32 %add, 255
|
|
br label %for.cond23
|
|
|
|
if.end43: ; No predecessors!
|
|
ret void
|
|
}
|
|
|