commit 15468d7e091da30c22b49e12af5cf60579c8d6cd
author Dan Gohman <gohman@apple.com> Sat Aug 01 00:26:16 2009 +0000
committer Dan Gohman <gohman@apple.com> Sat Aug 01 00:26:16 2009 +0000
tree 3b2aec2867a480402bc1b5195d53ce014f95e7f7
parent 68e4b5869c777bbb8256dde0a971172751105518

X86 floating-point passes don't modify the CFG.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77757 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/X86FloatingPoint.cpp

diff --git a/lib/Target/X86/X86FloatingPoint.cpp b/lib/Target/X86/X86FloatingPoint.cpp
index 14bffdc..5fa7b82 100644
--- a/lib/Target/X86/X86FloatingPoint.cpp
+++ b/lib/Target/X86/X86FloatingPoint.cpp
@@ -57,6 +57,7 @@
     FPS() : MachineFunctionPass(&ID) {}
 
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      AU.setPreservesCFG();
       AU.addPreservedID(MachineLoopInfoID);
       AU.addPreservedID(MachineDominatorsID);
       MachineFunctionPass::getAnalysisUsage(AU);

lib/Target/X86/X86FloatingPointRegKill.cpp

diff --git a/lib/Target/X86/X86FloatingPointRegKill.cpp b/lib/Target/X86/X86FloatingPointRegKill.cpp
index 009846e..292f8f4 100644
--- a/lib/Target/X86/X86FloatingPointRegKill.cpp
+++ b/lib/Target/X86/X86FloatingPointRegKill.cpp
@@ -35,6 +35,7 @@
     FPRegKiller() : MachineFunctionPass(&ID) {}
 
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      AU.setPreservesCFG();
       AU.addPreservedID(MachineLoopInfoID);
       AU.addPreservedID(MachineDominatorsID);
       MachineFunctionPass::getAnalysisUsage(AU);