1 files changed, 42 insertions, 0 deletions
diff --git a/test/CodeGen/X86/sibcall-win64.ll b/test/CodeGen/X86/sibcall-win64.ll
new file mode 100644
index 0000000..f703872
--- /dev/null
+++ b/test/CodeGen/X86/sibcall-win64.ll
@@ -0,0 +1,42 @@
+; RUN: llc < %s -mtriple=x86_64-pc-linux | FileCheck %s
+
+declare x86_64_win64cc void @win64_callee(i32)
+declare void @sysv_callee(i32)
+
+define void @sysv_caller(i32 %p1) {
+entry:
+  tail call x86_64_win64cc void @win64_callee(i32 %p1)
+  ret void
+}
+
+; CHECK-LABEL: sysv_caller:
+; CHECK: subq $40, %rsp
+; CHECK: callq win64_callee
+; CHECK: addq $40, %rsp
+; CHECK: retq
+
+define x86_64_win64cc void @win64_caller(i32 %p1) {
+entry:
+  tail call void @sysv_callee(i32 %p1)
+  ret void
+}
+
+; CHECK-LABEL: win64_caller:
+; CHECK: callq sysv_callee
+; CHECK: retq
+
+define void @sysv_matched(i32 %p1) {
+  tail call void @sysv_callee(i32 %p1)
+  ret void
+}
+
+; CHECK-LABEL: sysv_matched:
+; CHECK: jmp sysv_callee # TAILCALL
+
+define x86_64_win64cc void @win64_matched(i32 %p1) {
+  tail call x86_64_win64cc void @win64_callee(i32 %p1)
+  ret void
+}
+
+; CHECK-LABEL: win64_matched:
+; CHECK: jmp win64_callee # TAILCALL