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| -rw-r--r-- | test/Transforms/SimplifyCFG/2002-05-05-EmptyBlockMerge.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyCFG/2002-05-05-EmptyBlockMerge.ll b/test/Transforms/SimplifyCFG/2002-05-05-EmptyBlockMerge.ll new file mode 100644 index 0000000000..d4a2944ffb --- /dev/null +++ b/test/Transforms/SimplifyCFG/2002-05-05-EmptyBlockMerge.ll @@ -0,0 +1,22 @@ +; Basic block #2 should be merged into BB #3! +; +; RUN: if as < %s | opt -dce | dis | grep 'br label' +; RUN: then exit 1 +; RUN: else exit 0 +; RUN: fi +; +void "cprop_test12"(int* %data) { +bb0: + %reg108 = load int* %data + %cond218 = setne int %reg108, 5 + br bool %cond218, label %bb3, label %bb2 + +bb2: + br label %bb3 + +bb3: + %reg117 = phi int [ 110, %bb2 ], [ %reg108, %bb0 ] + store int %reg117, int* %data + ret void +} + |