[llvm-commits] [llvm] r56475 - in /llvm/trunk/lib: CodeGen/LiveStackAnalysis.cpp CodeGen/LoopAligner.cpp CodeGen/LowerSubregs.cpp CodeGen/MachineModuleInfo.cpp CodeGen/PrologEpilogInserter.cpp CodeGen/StackSlotColoring.cpp Target/X86/X86FloatingPoint.cpp

[Evan Cheng]

Author: evancheng
Date: Mon Sep 22 17:21:38 2008
New Revision: 56475

URL: http://llvm.org/viewvc/llvm-project?rev=56475&view=rev
Log:
Instead of setPreservesAll, just mark them preseving machine loop info and machine dominators.

Modified:
    llvm/trunk/lib/CodeGen/LiveStackAnalysis.cpp
    llvm/trunk/lib/CodeGen/LoopAligner.cpp
    llvm/trunk/lib/CodeGen/LowerSubregs.cpp
    llvm/trunk/lib/CodeGen/MachineModuleInfo.cpp
    llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp
    llvm/trunk/lib/CodeGen/StackSlotColoring.cpp
    llvm/trunk/lib/Target/X86/X86FloatingPoint.cpp

Modified: llvm/trunk/lib/CodeGen/LiveStackAnalysis.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/LiveStackAnalysis.cpp?rev=56475&r1=56474&r2=56475&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/LiveStackAnalysis.cpp (original)
+++ llvm/trunk/lib/CodeGen/LiveStackAnalysis.cpp Mon Sep 22 17:21:38 2008
@@ -25,7 +25,8 @@
 static RegisterPass<LiveStacks> X("livestacks", "Live Stack Slot Analysis");
 
 void LiveStacks::getAnalysisUsage(AnalysisUsage &AU) const {
-  AU.setPreservesAll();
+  AU.addPreservedID(MachineLoopInfoID);
+  AU.addPreservedID(MachineDominatorsID);
   MachineFunctionPass::getAnalysisUsage(AU);
 }
 

Modified: llvm/trunk/lib/CodeGen/LoopAligner.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/LoopAligner.cpp?rev=56475&r1=56474&r2=56475&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/LoopAligner.cpp (original)
+++ llvm/trunk/lib/CodeGen/LoopAligner.cpp Mon Sep 22 17:21:38 2008
@@ -34,7 +34,7 @@
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
       AU.addRequired<MachineLoopInfo>();
       AU.addPreserved<MachineLoopInfo>();
-      AU.setPreservesAll();
+      AU.addPreservedID(MachineDominatorsID);
       MachineFunctionPass::getAnalysisUsage(AU);
     }
   };

Modified: llvm/trunk/lib/CodeGen/LowerSubregs.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/LowerSubregs.cpp?rev=56475&r1=56474&r2=56475&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/LowerSubregs.cpp (original)
+++ llvm/trunk/lib/CodeGen/LowerSubregs.cpp Mon Sep 22 17:21:38 2008
@@ -31,7 +31,8 @@
     }
 
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
-      AU.setPreservesAll();
+      AU.addPreservedID(MachineLoopInfoID);
+      AU.addPreservedID(MachineDominatorsID);
       MachineFunctionPass::getAnalysisUsage(AU);
     }
 

Modified: llvm/trunk/lib/CodeGen/MachineModuleInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineModuleInfo.cpp?rev=56475&r1=56474&r2=56475&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/MachineModuleInfo.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineModuleInfo.cpp Mon Sep 22 17:21:38 2008
@@ -14,6 +14,7 @@
 #include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineLocation.h"
+#include "llvm/CodeGen/Passes.h"
 #include "llvm/Target/TargetInstrInfo.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetOptions.h"
@@ -2014,7 +2015,8 @@
   DebugLabelFolder() : MachineFunctionPass(&ID) {}
 
   virtual void getAnalysisUsage(AnalysisUsage &AU) const {
-    AU.setPreservesAll();
+    AU.addPreservedID(MachineLoopInfoID);
+    AU.addPreservedID(MachineDominatorsID);
     MachineFunctionPass::getAnalysisUsage(AU);
   }
 

Modified: llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp?rev=56475&r1=56474&r2=56475&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp (original)
+++ llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp Mon Sep 22 17:21:38 2008
@@ -42,7 +42,8 @@
     }
 
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
-      AU.setPreservesAll();
+      AU.addPreservedID(MachineLoopInfoID);
+      AU.addPreservedID(MachineDominatorsID);
       MachineFunctionPass::getAnalysisUsage(AU);
     }
 

Modified: llvm/trunk/lib/CodeGen/StackSlotColoring.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/StackSlotColoring.cpp?rev=56475&r1=56474&r2=56475&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/StackSlotColoring.cpp (original)
+++ llvm/trunk/lib/CodeGen/StackSlotColoring.cpp Mon Sep 22 17:21:38 2008
@@ -66,7 +66,8 @@
     
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
       AU.addRequired<LiveStacks>();
-      AU.setPreservesAll();
+      AU.addPreservedID(MachineLoopInfoID);
+      AU.addPreservedID(MachineDominatorsID);
       MachineFunctionPass::getAnalysisUsage(AU);
     }
 

Modified: llvm/trunk/lib/Target/X86/X86FloatingPoint.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86FloatingPoint.cpp?rev=56475&r1=56474&r2=56475&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86FloatingPoint.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86FloatingPoint.cpp Mon Sep 22 17:21:38 2008
@@ -56,7 +56,8 @@
     FPS() : MachineFunctionPass(&ID) {}
 
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
-      AU.setPreservesAll();
+      AU.addPreservedID(MachineLoopInfoID);
+      AU.addPreservedID(MachineDominatorsID);
       MachineFunctionPass::getAnalysisUsage(AU);
     }