[llvm-commits] [llvm] r56469 - in /llvm/trunk/lib: CodeGen/BranchFolding.cpp CodeGen/LiveStackAnalysis.cpp CodeGen/LoopAligner.cpp CodeGen/LowerSubregs.cpp CodeGen/MachineModuleInfo.cpp CodeGen/PrologEpilogInserter.cpp CodeGen/SimpleRegisterCoalescing.cpp CodeGen/StackSlotColoring.cpp Target/X86/X86FloatingPoint.cpp

[Evan Cheng]

Author: evancheng
Date: Mon Sep 22 15:58:04 2008
New Revision: 56469

URL: http://llvm.org/viewvc/llvm-project?rev=56469&view=rev
Log:
Mark several codegen passes as preserving all analysis.

Modified:
    llvm/trunk/lib/CodeGen/BranchFolding.cpp
    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/SimpleRegisterCoalescing.cpp
    llvm/trunk/lib/CodeGen/StackSlotColoring.cpp
    llvm/trunk/lib/Target/X86/X86FloatingPoint.cpp

Modified: llvm/trunk/lib/CodeGen/BranchFolding.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/BranchFolding.cpp?rev=56469&r1=56468&r2=56469&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/BranchFolding.cpp (original)
+++ llvm/trunk/lib/CodeGen/BranchFolding.cpp Mon Sep 22 15:58:04 2008
@@ -48,12 +48,12 @@
   struct VISIBILITY_HIDDEN BranchFolder : public MachineFunctionPass {
     static char ID;
     explicit BranchFolder(bool defaultEnableTailMerge) : 
-        MachineFunctionPass(&ID) {
-          switch (FlagEnableTailMerge) {
-          case cl::BOU_UNSET: EnableTailMerge = defaultEnableTailMerge; break;
-          case cl::BOU_TRUE: EnableTailMerge = true; break;
-          case cl::BOU_FALSE: EnableTailMerge = false; break;
-          }
+      MachineFunctionPass(&ID) {
+      switch (FlagEnableTailMerge) {
+        case cl::BOU_UNSET: EnableTailMerge = defaultEnableTailMerge; break;
+        case cl::BOU_TRUE: EnableTailMerge = true; break;
+        case cl::BOU_FALSE: EnableTailMerge = false; break;
+      }
     }
 
     virtual bool runOnMachineFunction(MachineFunction &MF);

Modified: llvm/trunk/lib/CodeGen/LiveStackAnalysis.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/LiveStackAnalysis.cpp?rev=56469&r1=56468&r2=56469&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/LiveStackAnalysis.cpp (original)
+++ llvm/trunk/lib/CodeGen/LiveStackAnalysis.cpp Mon Sep 22 15:58:04 2008
@@ -26,6 +26,7 @@
 
 void LiveStacks::getAnalysisUsage(AnalysisUsage &AU) const {
   AU.setPreservesAll();
+  MachineFunctionPass::getAnalysisUsage(AU);
 }
 
 void LiveStacks::releaseMemory() {

Modified: llvm/trunk/lib/CodeGen/LoopAligner.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/LoopAligner.cpp?rev=56469&r1=56468&r2=56469&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/LoopAligner.cpp (original)
+++ llvm/trunk/lib/CodeGen/LoopAligner.cpp Mon Sep 22 15:58:04 2008
@@ -34,6 +34,7 @@
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
       AU.addRequired<MachineLoopInfo>();
       AU.addPreserved<MachineLoopInfo>();
+      AU.setPreservesAll();
       MachineFunctionPass::getAnalysisUsage(AU);
     }
   };

Modified: llvm/trunk/lib/CodeGen/LowerSubregs.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/LowerSubregs.cpp?rev=56469&r1=56468&r2=56469&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/LowerSubregs.cpp (original)
+++ llvm/trunk/lib/CodeGen/LowerSubregs.cpp Mon Sep 22 15:58:04 2008
@@ -30,6 +30,11 @@
       return "Subregister lowering instruction pass";
     }
 
+    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      AU.setPreservesAll();
+      MachineFunctionPass::getAnalysisUsage(AU);
+    }
+
     /// runOnMachineFunction - pass entry point
     bool runOnMachineFunction(MachineFunction&);
     

Modified: llvm/trunk/lib/CodeGen/MachineModuleInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineModuleInfo.cpp?rev=56469&r1=56468&r2=56469&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/MachineModuleInfo.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineModuleInfo.cpp Mon Sep 22 15:58:04 2008
@@ -2013,6 +2013,11 @@
   static char ID;
   DebugLabelFolder() : MachineFunctionPass(&ID) {}
 
+  virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+    AU.setPreservesAll();
+    MachineFunctionPass::getAnalysisUsage(AU);
+  }
+
   virtual bool runOnMachineFunction(MachineFunction &MF);
   virtual const char *getPassName() const { return "Label Folder"; }
 };

Modified: llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp?rev=56469&r1=56468&r2=56469&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp (original)
+++ llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp Mon Sep 22 15:58:04 2008
@@ -41,6 +41,11 @@
       return "Prolog/Epilog Insertion & Frame Finalization";
     }
 
+    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      AU.setPreservesAll();
+      MachineFunctionPass::getAnalysisUsage(AU);
+    }
+
     /// runOnMachineFunction - Insert prolog/epilog code and replace abstract
     /// frame indexes with appropriate references.
     ///

Modified: llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp?rev=56469&r1=56468&r2=56469&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp (original)
+++ llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp Mon Sep 22 15:58:04 2008
@@ -67,13 +67,13 @@
 const PassInfo *const llvm::SimpleRegisterCoalescingID = &X;
 
 void SimpleRegisterCoalescing::getAnalysisUsage(AnalysisUsage &AU) const {
+  AU.addRequired<LiveIntervals>();
   AU.addPreserved<LiveIntervals>();
+  AU.addRequired<MachineLoopInfo>();
   AU.addPreserved<MachineLoopInfo>();
   AU.addPreservedID(MachineDominatorsID);
   AU.addPreservedID(PHIEliminationID);
   AU.addPreservedID(TwoAddressInstructionPassID);
-  AU.addRequired<LiveIntervals>();
-  AU.addRequired<MachineLoopInfo>();
   MachineFunctionPass::getAnalysisUsage(AU);
 }
 

Modified: llvm/trunk/lib/CodeGen/StackSlotColoring.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/StackSlotColoring.cpp?rev=56469&r1=56468&r2=56469&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/StackSlotColoring.cpp (original)
+++ llvm/trunk/lib/CodeGen/StackSlotColoring.cpp Mon Sep 22 15:58:04 2008
@@ -66,6 +66,7 @@
     
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
       AU.addRequired<LiveStacks>();
+      AU.setPreservesAll();
       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=56469&r1=56468&r2=56469&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86FloatingPoint.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86FloatingPoint.cpp Mon Sep 22 15:58:04 2008
@@ -55,6 +55,11 @@
     static char ID;
     FPS() : MachineFunctionPass(&ID) {}
 
+    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      AU.setPreservesAll();
+      MachineFunctionPass::getAnalysisUsage(AU);
+    }
+
     virtual bool runOnMachineFunction(MachineFunction &MF);
 
     virtual const char *getPassName() const { return "X86 FP Stackifier"; }