From a3661146ea15bcdf71a1d962b3c301fb1167bad6 Mon Sep 17 00:00:00 2001
From: Jakob Stoklund Olesen <stoklund@2pi.dk>
Date: Wed, 5 Jun 2013 03:00:09 +0000
Subject: Heed ABIArgInfo::getInReg() for return values.

The 'inreg' attribute can also be applied to function return values in
LLVM IR. The SPARC v9 backend is using the flag when returning structs
containing 32-bit floats.

llvm-svn: 183290
---
 clang/lib/CodeGen/CGCall.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

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

diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp
index 9a8edccdef0..3c079cd58bb 100644
--- a/clang/lib/CodeGen/CGCall.cpp
+++ b/clang/lib/CodeGen/CGCall.cpp
@@ -1054,8 +1054,11 @@ void CodeGenModule::ConstructAttributeList(const CGFunctionInfo &FI,
       RetAttrs.addAttribute(llvm::Attribute::SExt);
     else if (RetTy->hasUnsignedIntegerRepresentation())
       RetAttrs.addAttribute(llvm::Attribute::ZExt);
-    break;
+    // FALL THROUGH
   case ABIArgInfo::Direct:
+    if (RetAI.getInReg())
+      RetAttrs.addAttribute(llvm::Attribute::InReg);
+    break;
   case ABIArgInfo::Ignore:
     break;
 
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