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| author | Owen Anderson <resistor@mac.com> | 2007-06-19 05:55:01 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2007-06-19 05:55:01 +0000 |
| commit | 831dab360fdb1a854a396ba37a28b30f35c1adaf (patch) | |
| tree | e6bbaba404432211923e0f88d3c72e9fbc845e1a | |
| parent | defb9fb4e9786443daac7e17d9d5dbe5d6f15098 (diff) | |
| download | external_llvm-831dab360fdb1a854a396ba37a28b30f35c1adaf.zip external_llvm-831dab360fdb1a854a396ba37a28b30f35c1adaf.tar.gz external_llvm-831dab360fdb1a854a396ba37a28b30f35c1adaf.tar.bz2 | |
Testcase for instances where a constant only occurs as an operand to a phi node.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37653 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | test/Transforms/GVNPRE/2007-06-18-ConstantInPhi.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/Transforms/GVNPRE/2007-06-18-ConstantInPhi.ll b/test/Transforms/GVNPRE/2007-06-18-ConstantInPhi.ll new file mode 100644 index 0000000..b4cb517 --- /dev/null +++ b/test/Transforms/GVNPRE/2007-06-18-ConstantInPhi.ll @@ -0,0 +1,22 @@ +; RUN: llvm-as < %s | opt -gvnpre | llvm-dis + +define void @vorbis_lsp_to_curve() { +entry: + br i1 false, label %bb.nph, label %return + +bb.nph: ; preds = %entry + br label %bb34 + +bb34: ; preds = %bb34, %bb.nph + %p.1 = phi float [ 0x3FE6A09E60000000, %bb.nph ], [ %tmp48, %bb34 ] ; <float> [#uses=1] + %tmp44 = load float* null ; <float> [#uses=1] + %tmp46 = sub float %tmp44, 0.000000e+00 ; <float> [#uses=1] + %tmp48 = mul float %tmp46, %p.1 ; <float> [#uses=1] + br i1 false, label %bb57, label %bb34 + +bb57: ; preds = %bb34 + ret void + +return: ; preds = %entry + ret void +} |