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| -rw-r--r-- | test/Transforms/InstCombine/phi.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/phi.ll b/test/Transforms/InstCombine/phi.ll new file mode 100644 index 0000000000..f56fbe26df --- /dev/null +++ b/test/Transforms/InstCombine/phi.ll @@ -0,0 +1,17 @@ +; This test makes sure that these instructions are properly eliminated. +; + +; RUN: if as < %s | opt -instcombine -dce | dis | grep phi +; RUN: then exit 1 +; RUN: else exit 0 +; RUN: fi + +implementation + +int "test1"(int %A) { +BB0: br label %BB1 +BB1: + %B = phi int [%A, %BB0] ; Combine away one argument PHI nodes + ret int %B +} + |