Guard mutation of the timing info global.

[oota-llvm.git] / lib / VMCore / IntrinsicInst.cpp

diff --git a/lib/VMCore/IntrinsicInst.cpp b/lib/VMCore/IntrinsicInst.cpp
index b4395e1cd32b7e31d986f0417d539f9c37f02ecf..8bdc96896c51620cf176790f0071248edd053be7 100644 (file)
--- a/lib/VMCore/IntrinsicInst.cpp
+++ b/lib/VMCore/IntrinsicInst.cpp
@@ -2,8 +2,8 @@
 //
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by James M. Laskey and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -26,10 +26,10 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/IntrinsicInst.h"
-
 #include "llvm/Constants.h"
 #include "llvm/GlobalVariable.h"
-
+#include "llvm/Analysis/ValueTracking.h"
+#include "llvm/CodeGen/MachineModuleInfo.h"
 using namespace llvm;
 
 //===----------------------------------------------------------------------===//
@@ -38,7 +38,7 @@ using namespace llvm;
 
 static Value *CastOperand(Value *C) {
   if (ConstantExpr *CE = dyn_cast<ConstantExpr>(C))
-    if (CE->getOpcode() == Instruction::Cast)
+    if (CE->isCast())
       return CE->getOperand(0);
   return NULL;
 }
@@ -58,20 +58,20 @@ Value *DbgInfoIntrinsic::StripCast(Value *C) {
 /// DbgStopPointInst - This represents the llvm.dbg.stoppoint instruction.
 ///
 
-std::string DbgStopPointInst::getFileName() const {
+Value *DbgStopPointInst::getFileName() const {
+  // Once the operand indices are verified, update this assert
+  assert(LLVMDebugVersion == (7 << 16) && "Verify operand indices");
   GlobalVariable *GV = cast<GlobalVariable>(getContext());
+  if (!GV->hasInitializer()) return NULL;
   ConstantStruct *CS = cast<ConstantStruct>(GV->getInitializer());
-  return CS->getOperand(4)->getStringValue();
+  return CS->getOperand(3);
 }
 
-std::string DbgStopPointInst::getDirectory() const {
+Value *DbgStopPointInst::getDirectory() const {
+  // Once the operand indices are verified, update this assert
+  assert(LLVMDebugVersion == (7 << 16) && "Verify operand indices");
   GlobalVariable *GV = cast<GlobalVariable>(getContext());
+  if (!GV->hasInitializer()) return NULL;
   ConstantStruct *CS = cast<ConstantStruct>(GV->getInitializer());
-  return CS->getOperand(5)->getStringValue();
+  return CS->getOperand(4);
 }
-
-//===----------------------------------------------------------------------===//
-/// LinkIntrinsicInstStub -- This is a hack to make sure that programs that
-/// #include IntrinsicInst.h also link this file. See Support/IncludeFile.h
-/// for further details.
-char llvm::LinkIntrinsicInstStub;