Add a test case for SSE fcopysign using SSE bitwise operations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32901 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/sse-fcopysign.ll b/test/CodeGen/X86/sse-fcopysign.ll
new file mode 100644 (file)
index 0000000..3b9b928
--- /dev/null
+++ b/test/CodeGen/X86/sse-fcopysign.ll
@@ -0,0 +1,18 @@
+; RUN: llvm-as | llc -march=x86 -mattr=+sse2 &&
+; RUN: llvm-as | llc -march=x86 -mattr=+sse2 | grep pslldq | wc -l | grep 1 &&
+; RUN: llvm-as | llc -march=x86 -mattr=+sse2 | not getp test
+
+define float %test1(float %a, float %b) {
+       %tmp = tail call float %copysignf( float %b, float %a )
+       ret float %tmp
+}
+
+define double %test2(double %a, float %b, float %c) {
+       %tmp1 = add float %b, %c
+       %tmp2 = fpext float %tmp1 to double
+       %tmp = tail call double %copysign( double %a, double %tmp2 )
+       ret double %tmp
+}
+
+declare float %copysignf(float, float)
+declare double %copysign(double, double)