Change preserve all claim to just preserve live variables and phielimination.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10460 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/FloatingPoint.cpp b/lib/Target/X86/FloatingPoint.cpp
index b6bae6dffaef863e6e18129bdcb7c19bd803a0a7..8a9eefab2f7128d65a640614e7172eb8dfb10972 100644 (file)
--- a/lib/Target/X86/FloatingPoint.cpp
+++ b/lib/Target/X86/FloatingPoint.cpp
@@ -608,8 +608,9 @@ namespace {
     virtual const char *getPassName() const { return "X86 FP Killer"; }
     virtual bool runOnMachineFunction(MachineFunction &MF);
       virtual void getAnalysisUsage(AnalysisUsage &AU) const {
-          AU.setPreservesAll();
+          AU.addPreserved<LiveVariables>();
           AU.addRequired<LiveVariables>();
+          AU.addPreservedID(PHIEliminationID);
           AU.addRequiredID(PHIEliminationID);
           MachineFunctionPass::getAnalysisUsage(AU);
       }

diff --git a/lib/Target/X86/X86FloatingPoint.cpp b/lib/Target/X86/X86FloatingPoint.cpp
index b6bae6dffaef863e6e18129bdcb7c19bd803a0a7..8a9eefab2f7128d65a640614e7172eb8dfb10972 100644 (file)
--- a/lib/Target/X86/X86FloatingPoint.cpp
+++ b/lib/Target/X86/X86FloatingPoint.cpp
@@ -608,8 +608,9 @@ namespace {
     virtual const char *getPassName() const { return "X86 FP Killer"; }
     virtual bool runOnMachineFunction(MachineFunction &MF);
       virtual void getAnalysisUsage(AnalysisUsage &AU) const {
-          AU.setPreservesAll();
+          AU.addPreserved<LiveVariables>();
           AU.addRequired<LiveVariables>();
+          AU.addPreservedID(PHIEliminationID);
           AU.addRequiredID(PHIEliminationID);
           MachineFunctionPass::getAnalysisUsage(AU);
       }