From 416ada0f75bab22b084a1776deb229cd4a669c4d Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Thu, 1 Jun 2017 20:58:49 +0000
Subject: Vendor import of clang trunk r304460:
 https://llvm.org/svn/llvm-project/cfe/trunk@304460

---
 lib/CodeGen/CGCall.cpp | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

(limited to 'lib/CodeGen/CGCall.cpp')

diff --git a/lib/CodeGen/CGCall.cpp b/lib/CodeGen/CGCall.cpp
index c677d9887acc..8f405eee6e52 100644
--- a/lib/CodeGen/CGCall.cpp
+++ b/lib/CodeGen/CGCall.cpp
@@ -707,6 +707,12 @@ CodeGenTypes::arrangeCall(const CGFunctionInfo &signature,
                                  signature.getRequiredArgs());
 }
 
+namespace clang {
+namespace CodeGen {
+void computeSPIRKernelABIInfo(CodeGenModule &CGM, CGFunctionInfo &FI);
+}
+}
+
 /// Arrange the argument and result information for an abstract value
 /// of a given function type.  This is the method which all of the
 /// above functions ultimately defer to.
@@ -741,12 +747,16 @@ CodeGenTypes::arrangeLLVMFunctionInfo(CanQualType resultType,
   bool inserted = FunctionsBeingProcessed.insert(FI).second;
   (void)inserted;
   assert(inserted && "Recursively being processed?");
-  
+
   // Compute ABI information.
-  if (info.getCC() != CC_Swift) {
-    getABIInfo().computeInfo(*FI);
-  } else {
+  if (CC == llvm::CallingConv::SPIR_KERNEL) {
+    // Force target independent argument handling for the host visible
+    // kernel functions.
+    computeSPIRKernelABIInfo(CGM, *FI);
+  } else if (info.getCC() == CC_Swift) {
     swiftcall::computeABIInfo(CGM, *FI);
+  } else {
+    getABIInfo().computeInfo(*FI);
   }
 
   // Loop over all of the computed argument and return value info.  If any of
-- 
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