commit 06e5d3351b0d7210d7d2580d09523f36a11eb442
author Bill Wendling <isanbard@gmail.com> Thu Nov 06 07:23:03 2008 +0000
committer Bill Wendling <isanbard@gmail.com> Thu Nov 06 07:23:03 2008 +0000
tree 7bb989e12013577856ddb7f7b6e39f6b3aa534f1
parent a2c515472fbdd7fff9704e07602567b8fefef745

- Rename stackprotector_{prologue,epilogue} to stackprotector_{create,check}.
- Get rid of "HasStackProtector" in MachineFrameInfo.
- Modify intrinsics to tell which are doing what with memory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58799 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/PrologEpilogInserter.cpp

diff --git a/lib/CodeGen/PrologEpilogInserter.cpp b/lib/CodeGen/PrologEpilogInserter.cpp
index e118dd2..6452937 100644
--- a/lib/CodeGen/PrologEpilogInserter.cpp
+++ b/lib/CodeGen/PrologEpilogInserter.cpp
@@ -408,7 +408,7 @@
 
   // Make sure that the stack protector comes before the local variables on the
   // stack.
-  if (FFI->hasStackProtector()) {
+  if (FFI->getStackProtectorIndex() >= 0) {
     int FI = FFI->getStackProtectorIndex();
 
     // If stack grows down, we need to add size of find the lowest

lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
index 267ae36..a0c30ff 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
@@ -3795,7 +3795,7 @@
     DAG.setRoot(DAG.getNode(ISD::STACKRESTORE, MVT::Other, getRoot(), Tmp));
     return 0;
   }
-  case Intrinsic::stackprotector_prologue: {
+  case Intrinsic::stackprotector_create: {
     // Emit code into the DAG to store the stack guard onto the stack.
     MachineFunction &MF = DAG.getMachineFunction();
     MachineFrameInfo *MFI = MF.getFrameInfo();
@@ -3809,8 +3809,6 @@
     unsigned Align =
       TLI.getTargetData()->getPrefTypeAlignment(PtrTy.getTypeForMVT());
     int FI = MFI->CreateStackObject(PtrTy.getSizeInBits() / 8, Align);
-
-    MFI->setStackProtector(true);
     MFI->setStackProtectorIndex(FI);
 
     SDValue FIN = DAG.getFrameIndex(FI, PtrTy);
@@ -3823,7 +3821,7 @@
     DAG.setRoot(Result);
     return 0;
   }
-  case Intrinsic::stackprotector_epilogue: {
+  case Intrinsic::stackprotector_check: {
     // Emit code into the DAG to retrieve the stack guard off of the stack.
     MachineFunction &MF = DAG.getMachineFunction();
     MachineFrameInfo *MFI = MF.getFrameInfo();

lib/CodeGen/StackProtector.cpp

diff --git a/lib/CodeGen/StackProtector.cpp b/lib/CodeGen/StackProtector.cpp
index eaf52f6..318be93 100644
--- a/lib/CodeGen/StackProtector.cpp
+++ b/lib/CodeGen/StackProtector.cpp
@@ -118,7 +118,7 @@
   Constant *StackGuardVar = M->getOrInsertGlobal("__stack_chk_guard", GuardTy);
   LoadInst *LI = new LoadInst(StackGuardVar, "StackGuard", false, InsertPt);
   CallInst::
-    Create(Intrinsic::getDeclaration(M, Intrinsic::stackprotector_prologue),
+    Create(Intrinsic::getDeclaration(M, Intrinsic::stackprotector_create),
            LI, "", InsertPt);
 
   // Create the basic block to jump to when the guard check fails.
@@ -163,7 +163,7 @@
     // Generate the stack protector instructions in the old basic block.
     LoadInst *LI1 = new LoadInst(StackGuardVar, "", false, BB);
     CallInst *CI = CallInst::
-      Create(Intrinsic::getDeclaration(M, Intrinsic::stackprotector_epilogue),
+      Create(Intrinsic::getDeclaration(M, Intrinsic::stackprotector_check),
              "", BB);
     ICmpInst *Cmp = new ICmpInst(CmpInst::ICMP_EQ, CI, LI1, "", BB);
     BranchInst::Create(NewBB, FailBB, Cmp, BB);