Initial support for single-precision FP using NEON. Added "neonfp" attribute to enable. Added patterns for some binary FP operations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78081 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/fnmscs.ll b/test/CodeGen/ARM/fnmscs.ll
new file mode 100644
index 0000000..da3b95f
--- /dev/null
+++ b/test/CodeGen/ARM/fnmscs.ll
@@ -0,0 +1,13 @@
+; XFAIL: *
+; RUN: llvm-as < %s | llc -march=arm -mattr=+vfp2 | grep -E {fnmscs\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon,+neonfp | grep -E {fnmscs\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon,-neonfp | grep -E {fnmscs\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+
+define float @test(float %acc, float %a, float %b) {
+entry:
+ %0 = fmul float %a, %b
+ %1 = fsub float 0.0, %0
+ %2 = fsub float %1, %acc
+ ret float %2
+}
+