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| author | Nick Lewycky <nicholas@mxc.ca> | 2011-12-27 18:25:50 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2011-12-27 18:25:50 +0000 |
| commit | a6b21ea4ba4ef7250346c9423807415be049ebfd (patch) | |
| tree | 71751adefbb21d54ef5ae62786bf2407bd46b59a /test | |
| parent | 27baab62e7d6267d9b18e4665c6bb1b75dae10d4 (diff) | |
| download | llvm-a6b21ea4ba4ef7250346c9423807415be049ebfd.tar.gz llvm-a6b21ea4ba4ef7250346c9423807415be049ebfd.tar.bz2 llvm-a6b21ea4ba4ef7250346c9423807415be049ebfd.tar.xz | |
Turn cos(-x) into cos(x). Patch by Alexander Malyshev!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147291 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/SimplifyLibCalls/cos.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyLibCalls/cos.ll b/test/Transforms/SimplifyLibCalls/cos.ll new file mode 100644 index 0000000000..6a8ce8c388 --- /dev/null +++ b/test/Transforms/SimplifyLibCalls/cos.ll @@ -0,0 +1,14 @@ +; RUN: opt < %s -simplify-libcalls -S | FileCheck %s + +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" +target triple = "x86_64-unknown-linux-gnu" + +define double @foo(double %d) nounwind readnone { +; CHECK: @foo + %1 = fsub double -0.000000e+00, %d + %2 = call double @cos(double %1) nounwind readnone +; CHECK: call double @cos(double %d) + ret double %2 +} + +declare double @cos(double) nounwind readnone |