Ensure these casts are done with the hardware fildll instruction

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22013 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/fildll.ll b/test/CodeGen/X86/fildll.ll
new file mode 100644 (file)
index 0000000..a9808df
--- /dev/null
+++ b/test/CodeGen/X86/fildll.ll
@@ -0,0 +1,11 @@
+; RUN: llvm-as < %s | llc -march=x86 -x86-asm-syntax=att | grep fildll | wc -l | grep 2
+
+fastcc double %sint64_to_fp(long %X) {
+       %R = cast long %X to double
+       ret double %R
+}
+
+fastcc double %uint64_to_fp(ulong %X) {
+       %R = cast ulong %X to double
+       ret double %R
+}