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-rw-r--r--test/CodeGen/X86/fast-cc-pass-in-regs.ll14
1 files changed, 14 insertions, 0 deletions
diff --git a/test/CodeGen/X86/fast-cc-pass-in-regs.ll b/test/CodeGen/X86/fast-cc-pass-in-regs.ll
new file mode 100644
index 0000000000..55dbcbfe93
--- /dev/null
+++ b/test/CodeGen/X86/fast-cc-pass-in-regs.ll
@@ -0,0 +1,14 @@
+; llvm-as < %s | llc -x86-asm-syntax=intel -enable-x86-fastcc | grep 'mov %EDX, 1'
+
+; check that fastcc is passing stuff in regs.
+
+declare fastcc long %callee(long)
+
+long %caller() {
+ %X = call fastcc long %callee(long 4294967299) ;; (1ULL << 32) + 3
+ ret long %X
+}
+
+fastcc long %caller2(long %X) {
+ ret long %X
+}