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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 | a8e84fb56bbf67121986770003516c6f37d40436 (patch) | |
| tree | 3e50e5df7095d076d20a0ebbaf8c9cd9cbab33ad /llvm/test/Transforms | |
| parent | 6e52514c5deb9f2ce145228a55c5644539977489 (diff) | |
| download | bcm5719-llvm-a8e84fb56bbf67121986770003516c6f37d40436.tar.gz bcm5719-llvm-a8e84fb56bbf67121986770003516c6f37d40436.zip | |
Turn cos(-x) into cos(x). Patch by Alexander Malyshev!
llvm-svn: 147291
Diffstat (limited to 'llvm/test/Transforms')
| -rw-r--r-- | llvm/test/Transforms/SimplifyLibCalls/cos.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/test/Transforms/SimplifyLibCalls/cos.ll b/llvm/test/Transforms/SimplifyLibCalls/cos.ll new file mode 100644 index 00000000000..6a8ce8c3881 --- /dev/null +++ b/llvm/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 |
