diff options
Diffstat (limited to 'test/Transforms/LoopUnroll/unloop.ll')
| -rw-r--r-- | test/Transforms/LoopUnroll/unloop.ll | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/test/Transforms/LoopUnroll/unloop.ll b/test/Transforms/LoopUnroll/unloop.ll index 217c8cea56..5a9cacda44 100644 --- a/test/Transforms/LoopUnroll/unloop.ll +++ b/test/Transforms/LoopUnroll/unloop.ll @@ -427,3 +427,44 @@ if.end2413: ; preds = %defchar return: ; preds = %sw.bb304 ret void } + +; PR11335: the most deeply nested block should be removed from the outer loop. +; CHECK: @removeSubloopBlocks2 +; CHECK: for.cond3: +; CHECK-NOT: br +; CHECK: ret void +define void @removeSubloopBlocks2() nounwind { +entry: + %tobool.i = icmp ne i32 undef, 0 + br label %lbl_616 + +lbl_616.loopexit: ; preds = %for.cond + br label %lbl_616 + +lbl_616: ; preds = %lbl_616.loopexit, %entry + br label %for.cond + +for.cond: ; preds = %for.cond3, %lbl_616 + br i1 false, label %for.cond1.preheader, label %lbl_616.loopexit + +for.cond1.preheader: ; preds = %for.cond + br label %for.cond1 + +for.cond1.loopexit: ; preds = %for.cond.i + br label %for.cond1 + +for.cond1: ; preds = %for.cond1.loopexit, %for.cond1.preheader + br i1 false, label %for.body2, label %for.cond3 + +for.body2: ; preds = %for.cond1 + br label %for.cond.i + +for.cond.i: ; preds = %for.cond.i, %for.body2 + br i1 %tobool.i, label %for.cond.i, label %for.cond1.loopexit + +for.cond3: ; preds = %for.cond1 + br i1 false, label %for.cond, label %if.end + +if.end: ; preds = %for.cond3 + ret void +} |