[llvm] r183031 - NVPTX: Don't even create a regalloc if we're not going to use it.

[Benjamin Kramer]

Author: d0k
Date: Fri May 31 14:21:58 2013
New Revision: 183031

URL: http://llvm.org/viewvc/llvm-project?rev=183031&view=rev
Log:
NVPTX: Don't even create a regalloc if we're not going to use it.

Fixes a leak found by valgrind.

Modified:
    llvm/trunk/lib/Target/NVPTX/NVPTXTargetMachine.cpp

Modified: llvm/trunk/lib/Target/NVPTX/NVPTXTargetMachine.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/NVPTX/NVPTXTargetMachine.cpp?rev=183031&r1=183030&r2=183031&view=diff
==============================================================================
--- llvm/trunk/lib/Target/NVPTX/NVPTXTargetMachine.cpp (original)
+++ llvm/trunk/lib/Target/NVPTX/NVPTXTargetMachine.cpp Fri May 31 14:21:58 2013
@@ -109,6 +109,7 @@ public:
   virtual bool addPreRegAlloc();
   virtual bool addPostRegAlloc();
 
+  virtual FunctionPass *createTargetRegisterAllocator(bool) LLVM_OVERRIDE;
   virtual void addFastRegAlloc(FunctionPass *RegAllocPass);
   virtual void addOptimizedRegAlloc(FunctionPass *RegAllocPass);
 };
@@ -147,12 +148,16 @@ bool NVPTXPassConfig::addPostRegAlloc()
   return false;
 }
 
+FunctionPass *NVPTXPassConfig::createTargetRegisterAllocator(bool) {
+  return 0; // No reg alloc
+}
+
 void NVPTXPassConfig::addFastRegAlloc(FunctionPass *RegAllocPass) {
-  // No reg alloc
+  assert(!RegAllocPass && "NVPTX uses no regalloc!");
   addPass(&StrongPHIEliminationID);
 }
 
 void NVPTXPassConfig::addOptimizedRegAlloc(FunctionPass *RegAllocPass) {
-  // No reg alloc
+  assert(!RegAllocPass && "NVPTX uses no regalloc!");
   addPass(&StrongPHIEliminationID);
 }