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| author | David Tweed <david.tweed@arm.com> | 2013-03-18 12:07:24 +0000 |
|---|---|---|
| committer | David Tweed <david.tweed@arm.com> | 2013-03-18 12:07:24 +0000 |
| commit | 5470e677eef64d0c7cf07953927e9591e0615b80 (patch) | |
| tree | c8707bdd6e526d6f2923bf5b762c465d94f417f7 | |
| parent | ec7eb55cc4c35318ff0ec4e04c0d42e5a65e1811 (diff) | |
| download | llvm-5470e677eef64d0c7cf07953927e9591e0615b80.tar.gz llvm-5470e677eef64d0c7cf07953927e9591e0615b80.tar.bz2 llvm-5470e677eef64d0c7cf07953927e9591e0615b80.tar.xz | |
Initially forgotten-to-svn-add test case for r177279.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177280 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | test/Transforms/EarlyCSE/floatingpoint.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/Transforms/EarlyCSE/floatingpoint.ll b/test/Transforms/EarlyCSE/floatingpoint.ll new file mode 100644 index 0000000000..2abecd74b6 --- /dev/null +++ b/test/Transforms/EarlyCSE/floatingpoint.ll @@ -0,0 +1,14 @@ +; RUN: opt < %s -S -early-cse | FileCheck %s + +; Ensure we don't simplify away additions vectors of +0.0's (same as scalars). +define <4 x float> @fV( <4 x float> %a) { + ; CHECK: %b = fadd <4 x float> %a, zeroinitializer + %b = fadd <4 x float> %a, <float 0.0,float 0.0,float 0.0,float 0.0> + ret <4 x float> %b +} + +define <4 x float> @fW( <4 x float> %a) { + ; CHECK: ret <4 x float> %a + %b = fadd <4 x float> %a, <float -0.0,float -0.0,float -0.0,float -0.0> + ret <4 x float> %b +} |