1 files changed, 13 insertions, 0 deletions
diff --git a/test/CodeGen/X86/pr14314.ll b/test/CodeGen/X86/pr14314.ll
new file mode 100644
index 0000000000..5388a4b01b
--- /dev/null
+++ b/test/CodeGen/X86/pr14314.ll
@@ -0,0 +1,13 @@
+; RUN: llc < %s -mtriple=i386-pc-linux -mcpu=corei7 | FileCheck %s
+
+define i64 @atomicSub(i64* %a, i64 %b) nounwind {
+entry:
+  %0 = atomicrmw sub i64* %a, i64 %b seq_cst
+  ret i64 %0
+; CHECK: atomicSub
+; movl %eax, %ebx
+; subl {{%[a-z]+}}, %ebx
+; movl %edx, %ecx
+; sbbl {{%[a-z]+}}, %ecx
+; CHECK: ret
+}