add test to check for tail calls

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22048 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/fast-cc-tail-call.ll b/test/CodeGen/X86/fast-cc-tail-call.ll
new file mode 100644 (file)
index 0000000..5a7d88d
--- /dev/null
+++ b/test/CodeGen/X86/fast-cc-tail-call.ll
@@ -0,0 +1,7 @@
+; RUN: llvm-as < %s | llc -x86-asm-syntax=intel -enable-x86-fastcc | not grep call
+
+fastcc int %bar(int %X, int(double, int) *%FP) {
+     %Y = tail call fastcc int %FP(double 0.0, int %X)
+     ret int %Y
+}
+