diff options
Diffstat (limited to 'test/Transforms/LoopSimplify/2010-12-26-PHIInfiniteLoop.ll')
| -rw-r--r-- | test/Transforms/LoopSimplify/2010-12-26-PHIInfiniteLoop.ll | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/test/Transforms/LoopSimplify/2010-12-26-PHIInfiniteLoop.ll b/test/Transforms/LoopSimplify/2010-12-26-PHIInfiniteLoop.ll new file mode 100644 index 0000000..00f520b --- /dev/null +++ b/test/Transforms/LoopSimplify/2010-12-26-PHIInfiniteLoop.ll @@ -0,0 +1,43 @@ +; RUN: opt < %s -loop-simplify -S +; PR8702 +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-unknown-freebsd9.0" + +declare void @foo(i32 %x) + +define fastcc void @inm_merge() nounwind { +entry: + br label %for.cond + +for.cond: ; preds = %while.cond36.i, %entry + br i1 undef, label %do.body, label %for.body + +for.body: ; preds = %for.cond + br i1 undef, label %while.cond36.i, label %if.end44 + +if.end44: ; preds = %for.body + %call49 = call fastcc i32 @inm_get_source() + br i1 undef, label %if.end54, label %for.cond64 + +if.end54: ; preds = %if.end44 + br label %while.cond36.i + +while.cond36.i: ; preds = %if.end54, %for.body + br label %for.cond + +for.cond64: ; preds = %if.end88, %for.cond64, %if.end44 + %error.161 = phi i32 [ %error.161, %for.cond64 ], [ %error.161, %if.end88 ], [ %call49, %if.end44 ] + call void @foo(i32 %error.161) + br i1 undef, label %for.cond64, label %if.end88 + +if.end88: ; preds = %for.cond64 + br i1 undef, label %for.cond64, label %if.end98 + +if.end98: ; preds = %if.end88 + unreachable + +do.body: ; preds = %for.cond + unreachable +} + +declare fastcc i32 @inm_get_source() nounwind |
