Author: hans
Date: Wed Feb  4 14:44:15 2015
New Revision: 228185

URL: http://llvm.org/viewvc/llvm-project?rev=228185&view=rev
Log:
Merging r227861:
------------------------------------------------------------------------
r227861 | jholewinski | 2015-02-02 13:05:49 -0800 (Mon, 02 Feb 2015) | 15 lines

When generating llvm.used, we may need an addrspacecast instead of a bitcast.

Summary:
This is especially important for targets that use multiple address spaces,
and commonly place global variables in address spaces other than zero.

Fixes PR22383

Test Plan: New test case added: llvm-used.cu

Reviewers: jingyue

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D7345
------------------------------------------------------------------------

Added:
    cfe/branches/release_36/test/CodeGenCUDA/llvm-used.cu
      - copied unchanged from r227861, cfe/trunk/test/CodeGenCUDA/llvm-used.cu
Modified:
    cfe/branches/release_36/   (props changed)
    cfe/branches/release_36/lib/CodeGen/CodeGenModule.cpp

Propchange: cfe/branches/release_36/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Wed Feb  4 14:44:15 2015
@@ -1,4 +1,4 @@
 /cfe/branches/type-system-rewrite:134693-134817
-/cfe/trunk:226008,226049,226136,226282,226382,226384,226624,226707,226754,226863,226877,227062,227088,227220,227251,227278,227295,227368,227393,227979,228053
+/cfe/trunk:226008,226049,226136,226282,226382,226384,226624,226707,226754,226863,226877,227062,227088,227220,227251,227278,227295,227368,227393,227861,227979,228053
 /cfe/trunk/test:170344
 /cfe/trunk/test/SemaTemplate:126920

Modified: cfe/branches/release_36/lib/CodeGen/CodeGenModule.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/branches/release_36/lib/CodeGen/CodeGenModule.cpp?rev=228185&r1=228184&r2=228185&view=diff
==============================================================================
--- cfe/branches/release_36/lib/CodeGen/CodeGenModule.cpp (original)
+++ cfe/branches/release_36/lib/CodeGen/CodeGenModule.cpp Wed Feb  4 14:44:15 
2015
@@ -935,8 +935,8 @@ static void emitUsed(CodeGenModule &CGM,
   UsedArray.resize(List.size());
   for (unsigned i = 0, e = List.size(); i != e; ++i) {
     UsedArray[i] =
-     llvm::ConstantExpr::getBitCast(cast<llvm::Constant>(&*List[i]),
-                                    CGM.Int8PtrTy);
+        llvm::ConstantExpr::getPointerBitCastOrAddrSpaceCast(
+            cast<llvm::Constant>(&*List[i]), CGM.Int8PtrTy);
   }
 
   if (UsedArray.empty())


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