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Diffstat (limited to 'test/Transforms/LoopIndexSplit/2009-03-30-undef.ll')
-rw-r--r-- | test/Transforms/LoopIndexSplit/2009-03-30-undef.ll | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/test/Transforms/LoopIndexSplit/2009-03-30-undef.ll b/test/Transforms/LoopIndexSplit/2009-03-30-undef.ll new file mode 100644 index 000000000000..b34cb51c332e --- /dev/null +++ b/test/Transforms/LoopIndexSplit/2009-03-30-undef.ll @@ -0,0 +1,24 @@ +; RUN: llvm-as < %s | opt -loop-index-split | llvm-dis | not grep undef +define i32 @main() { +entry: + br label %header + +header: + %r = phi i32 [ 0, %entry ], [ %r3, %skip ] + %i = phi i32 [ 0, %entry ], [ %i1, %skip ] + %i99 = add i32 %i, 99 + %cond = icmp eq i32 %i99, 3 + br i1 %cond, label %body, label %skip + +body: + br label %skip + +skip: + %r3 = phi i32 [ %r, %header ], [ 3, %body ] + %i1 = add i32 %i, 1 + %exitcond = icmp eq i32 %i1, 10 + br i1 %exitcond, label %exit, label %header + +exit: + ret i32 %r3 +} |