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| author | Owen Anderson <resistor@mac.com> | 2007-07-24 17:55:58 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2007-07-24 17:55:58 +0000 |
| commit | 1ad2cb75553a30bcec9fdc15733a20df6bc50431 (patch) | |
| tree | e54400d366db75f504f99afcf852ba467597c242 /test/Transforms/GVN/basic.ll | |
| parent | bb862c042fd773354645382ad0511b165b33116e (diff) | |
| download | external_llvm-1ad2cb75553a30bcec9fdc15733a20df6bc50431.zip external_llvm-1ad2cb75553a30bcec9fdc15733a20df6bc50431.tar.gz external_llvm-1ad2cb75553a30bcec9fdc15733a20df6bc50431.tar.bz2 | |
Add a GVN pass, using the value numbering code I developed for GVNPRE and the
load elimination code from RedundantLoadElimination.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40469 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/GVN/basic.ll')
| -rw-r--r-- | test/Transforms/GVN/basic.ll | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/test/Transforms/GVN/basic.ll b/test/Transforms/GVN/basic.ll new file mode 100644 index 0000000..8c72e78 --- /dev/null +++ b/test/Transforms/GVN/basic.ll @@ -0,0 +1,10 @@ +; RUN: llvm-as < %s | opt -gvn | llvm-dis | not grep {%z2 =} + +define i32 @main() { +block1: + %z1 = bitcast i32 0 to i32 + br label %block2 +block2: + %z2 = bitcast i32 0 to i32 + ret i32 %z2 +}
\ No newline at end of file |