It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/fcopysign.ll b/test/CodeGen/ARM/fcopysign.ll
new file mode 100644
index 0000000..e24a5d8
--- /dev/null
+++ b/test/CodeGen/ARM/fcopysign.ll
@@ -0,0 +1,18 @@
+; RUN: llvm-as < %s | llc -march=arm | grep bic | wc -l | grep 2
+; RUN: llvm-as < %s | llc -march=arm -mattr=+v6,+vfp2 | \
+; RUN: grep fneg | wc -l | grep 2
+
+define float @test1(float %x, double %y) {
+ %tmp = fpext float %x to double
+ %tmp2 = tail call double @copysign( double %tmp, double %y )
+ %tmp3 = fptrunc double %tmp2 to float
+ ret float %tmp3
+}
+
+define double @test2(double %x, float %y) {
+ %tmp = fpext float %y to double
+ %tmp2 = tail call double @copysign( double %x, double %tmp )
+ ret double %tmp2
+}
+
+declare double @copysign(double, double)