[llvm] r366369 - [CodeGen][NFC] Simplify checks for stack protector index checking

Francis Visoiu Mistrih via llvm-commits llvm-commits at lists.llvm.org
Wed Jul 17 13:46:09 PDT 2019


Author: thegameg
Date: Wed Jul 17 13:46:09 2019
New Revision: 366369

URL: http://llvm.org/viewvc/llvm-project?rev=366369&view=rev
Log:
[CodeGen][NFC] Simplify checks for stack protector index checking

Use `hasStackProtectorIndex()` instead of `getStackProtectorIndex() >=
0`.

Modified:
    llvm/trunk/lib/CodeGen/LocalStackSlotAllocation.cpp
    llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp

Modified: llvm/trunk/lib/CodeGen/LocalStackSlotAllocation.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/LocalStackSlotAllocation.cpp?rev=366369&r1=366368&r2=366369&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/LocalStackSlotAllocation.cpp (original)
+++ llvm/trunk/lib/CodeGen/LocalStackSlotAllocation.cpp Wed Jul 17 13:46:09 2019
@@ -199,19 +199,19 @@ void LocalStackSlotPass::calculateFrameO
   // Make sure that the stack protector comes before the local variables on the
   // stack.
   SmallSet<int, 16> ProtectedObjs;
-  if (MFI.getStackProtectorIndex() >= 0) {
+  if (MFI.hasStackProtectorIndex()) {
+    int StackProtectorFI = MFI.getStackProtectorIndex();
     StackObjSet LargeArrayObjs;
     StackObjSet SmallArrayObjs;
     StackObjSet AddrOfObjs;
 
-    AdjustStackOffset(MFI, MFI.getStackProtectorIndex(), Offset,
-                      StackGrowsDown, MaxAlign);
+    AdjustStackOffset(MFI, StackProtectorFI, Offset, StackGrowsDown, MaxAlign);
 
     // Assign large stack objects first.
     for (unsigned i = 0, e = MFI.getObjectIndexEnd(); i != e; ++i) {
       if (MFI.isDeadObjectIndex(i))
         continue;
-      if (MFI.getStackProtectorIndex() == (int)i)
+      if (StackProtectorFI == (int)i)
         continue;
 
       switch (MFI.getObjectSSPLayout(i)) {

Modified: llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp?rev=366369&r1=366368&r2=366369&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp (original)
+++ llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp Wed Jul 17 13:46:09 2019
@@ -927,18 +927,18 @@ void PEI::calculateFrameObjectOffsets(Ma
   // Make sure that the stack protector comes before the local variables on the
   // stack.
   SmallSet<int, 16> ProtectedObjs;
-  if (MFI.getStackProtectorIndex() >= 0) {
+  if (MFI.hasStackProtectorIndex()) {
+    int StackProtectorFI = MFI.getStackProtectorIndex();
     StackObjSet LargeArrayObjs;
     StackObjSet SmallArrayObjs;
     StackObjSet AddrOfObjs;
 
-    AdjustStackOffset(MFI, MFI.getStackProtectorIndex(), StackGrowsDown,
-                      Offset, MaxAlign, Skew);
+    AdjustStackOffset(MFI, StackProtectorFI, StackGrowsDown, Offset, MaxAlign,
+                      Skew);
 
     // Assign large stack objects first.
     for (unsigned i = 0, e = MFI.getObjectIndexEnd(); i != e; ++i) {
-      if (MFI.isObjectPreAllocated(i) &&
-          MFI.getUseLocalStackAllocationBlock())
+      if (MFI.isObjectPreAllocated(i) && MFI.getUseLocalStackAllocationBlock())
         continue;
       if (i >= MinCSFrameIndex && i <= MaxCSFrameIndex)
         continue;
@@ -946,8 +946,7 @@ void PEI::calculateFrameObjectOffsets(Ma
         continue;
       if (MFI.isDeadObjectIndex(i))
         continue;
-      if (MFI.getStackProtectorIndex() == (int)i ||
-          EHRegNodeFrameIndex == (int)i)
+      if (StackProtectorFI == (int)i || EHRegNodeFrameIndex == (int)i)
         continue;
       if (MFI.getStackID(i) !=
           TargetStackID::Default) // Only allocate objects on the default stack.
@@ -990,8 +989,7 @@ void PEI::calculateFrameObjectOffsets(Ma
       continue;
     if (MFI.isDeadObjectIndex(i))
       continue;
-    if (MFI.getStackProtectorIndex() == (int)i ||
-        EHRegNodeFrameIndex == (int)i)
+    if (MFI.getStackProtectorIndex() == (int)i || EHRegNodeFrameIndex == (int)i)
       continue;
     if (ProtectedObjs.count(i))
       continue;




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