diff options
Diffstat (limited to 'llvm/test/Transforms/LoopRotate/crash.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopRotate/crash.ll | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoopRotate/crash.ll b/llvm/test/Transforms/LoopRotate/crash.ll new file mode 100644 index 00000000000..d9dc803cd11 --- /dev/null +++ b/llvm/test/Transforms/LoopRotate/crash.ll @@ -0,0 +1,31 @@ +; RUN: opt -loop-rotate %s -disable-output + +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" +target triple = "x86_64-apple-darwin10.0.0" + +; PR8955 - Rotating an outer loop that has a condbr for a latch block. +define void @test1() nounwind ssp { +entry: + br label %lbl_283 + +lbl_283: ; preds = %if.end, %entry + br i1 undef, label %if.else, label %if.then + +if.then: ; preds = %lbl_283 + br i1 undef, label %if.end, label %for.condthread-pre-split + +for.condthread-pre-split: ; preds = %if.then + br label %for.cond + +for.cond: ; preds = %for.cond, %for.condthread-pre-split + br i1 undef, label %lbl_281, label %for.cond + +lbl_281: ; preds = %if.end, %for.cond + br label %if.end + +if.end: ; preds = %lbl_281, %if.then + br i1 undef, label %lbl_283, label %lbl_281 + +if.else: ; preds = %lbl_283 + ret void +} |
