[llvm-commits] [llvm] r92934 - /llvm/trunk/lib/Target/X86/X86FastISel.cpp

Eric Christopher echristo at apple.com
Thu Jan 7 11:45:15 PST 2010


Author: echristo
Date: Thu Jan  7 13:45:14 2010
New Revision: 92934

URL: http://llvm.org/viewvc/llvm-project?rev=92934&view=rev
Log:
If the data requires a relocation then don't attempt to
add it to the constant pool for fast-isel. We already
don't add it for the normal case.

Modified:
    llvm/trunk/lib/Target/X86/X86FastISel.cpp

Modified: llvm/trunk/lib/Target/X86/X86FastISel.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86FastISel.cpp?rev=92934&r1=92933&r2=92934&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86FastISel.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86FastISel.cpp Thu Jan  7 13:45:14 2010
@@ -19,6 +19,7 @@
 #include "X86RegisterInfo.h"
 #include "X86Subtarget.h"
 #include "X86TargetMachine.h"
+#include "llvm/Constant.h"
 #include "llvm/CallingConv.h"
 #include "llvm/DerivedTypes.h"
 #include "llvm/GlobalVariable.h"
@@ -1652,6 +1653,12 @@
     PICBase = X86::RIP;
   }
 
+  // If we've gotten here we need to make sure we don't have a constant
+  // that needs a relocation, because then we shouldn't put it into the
+  // constant pool.
+  if (C->getRelocationInfo() != Constant::NoRelocation)
+    return 0;
+  
   // Create the load from the constant pool.
   unsigned MCPOffset = MCP.getConstantPoolIndex(C, Align);
   unsigned ResultReg = createResultReg(RC);





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