[llvm-commits] [llvm] r74886 - /llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

[Dale Johannesen]

Author: johannes
Date: Mon Jul  6 19:18:49 2009
New Revision: 74886

URL: http://llvm.org/viewvc/llvm-project?rev=74886&view=rev
Log:
Don't accept globals as matching 'i' constraint
in PIC modes (in accordance with existing comment).
gcc.apple/asm-block-25.c


Modified:
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=74886&r1=74885&r2=74886&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Mon Jul  6 19:18:49 2009
@@ -8803,10 +8803,15 @@
           continue;
         }
       }
-      
+
       // Otherwise, this isn't something we can handle, reject it.
       return;
     }
+    // If we require an extra load to get this address, as in PIC mode, we
+    // can't accept it.
+    if (Subtarget->GVRequiresExtraLoad(GA->getGlobal(),
+                                       getTargetMachine(), false))
+      return;
 
     if (hasMemory)
       Op = LowerGlobalAddress(GA->getGlobal(), Op.getDebugLoc(), Offset, DAG);