From f99ddd26dc13518ff0a400741c8d54d707d3c6f0 Mon Sep 17 00:00:00 2001
From: Sanjoy Das <sanjoy@playingwithpointers.com>
Date: Tue, 3 May 2016 20:58:10 +0000
Subject: [PATCH] [RS4GC] Add a test case around calling conventions; NFC

llvm-svn: 268436
---
 .../RewriteStatepointsForGC/deopt-intrinsic.ll        | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/test/Transforms/RewriteStatepointsForGC/deopt-intrinsic.ll b/test/Transforms/RewriteStatepointsForGC/deopt-intrinsic.ll
index ef0e2bd61af..559dc9d6501 100644
--- a/test/Transforms/RewriteStatepointsForGC/deopt-intrinsic.ll
+++ b/test/Transforms/RewriteStatepointsForGC/deopt-intrinsic.ll
@@ -5,6 +5,7 @@ target triple = "x86_64-apple-macosx10.11.0"
 
 declare i32 @llvm.experimental.deoptimize.i32(...)
 declare void @llvm.experimental.deoptimize.isVoid(...)
+declare cc42 double @llvm.experimental.deoptimize.f64(...)
 
 define i32 @caller_0(i32 addrspace(1)* %ptr) gc "statepoint-example" {
 ; CHECK-LABEL: @caller_0(
@@ -33,3 +34,13 @@ entry:
   call void(...) @llvm.experimental.deoptimize.isVoid() [ "deopt"(i32 0, i32 addrspace(1)* %ptr) ]
   ret void
 }
+
+define double @caller_3() gc "statepoint-example" {
+; CHECK-LABELL @caller_3(
+; CHECK: call cc42 token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint
+; CHECK:  unreachable
+
+entry:
+  %val = call cc42 double(...) @llvm.experimental.deoptimize.f64() [ "deopt"() ]
+  ret double %val
+}