From: Dan Gohman <gohman@apple.com>
Date: Mon, 2 Jul 2007 15:43:20 +0000 (+0000)
Subject: New test case. DAGCombiner should be able to fold -sin(-x)
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=03de31acaea8f549e9a957a0b5231bcbc719df0a;p=oota-llvm.git

New test case. DAGCombiner should be able to fold -sin(-x)
in -enable-unsafe-fp-math mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37841 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/CodeGen/X86/negative-sin.ll b/test/CodeGen/X86/negative-sin.ll
new file mode 100644
index 00000000000..39c62973def
--- /dev/null
+++ b/test/CodeGen/X86/negative-sin.ll
@@ -0,0 +1,12 @@
+; RUN: llvm-as < %s | llc -enable-unsafe-fp-math -march=x86-64 | \
+; RUN:   not egrep {addsd|subsd|xor}
+
+declare double @sin(double %f)
+
+define double @foo(double %e)
+{
+  %f = sub double 0.0, %e
+  %g = call double @sin(double %f)
+  %h = sub double 0.0, %g
+  ret double %h
+}