[llvm] r231165 - Remove subtarget dependence in pass pipeline setup for AArch64.

[Eric Christopher]

Author: echristo
Date: Tue Mar  3 17:22:40 2015
New Revision: 231165

URL: http://llvm.org/viewvc/llvm-project?rev=231165&view=rev
Log:
Remove subtarget dependence in pass pipeline setup for AArch64.

Modified:
    llvm/trunk/lib/Target/AArch64/AArch64A57FPLoadBalancing.cpp
    llvm/trunk/lib/Target/AArch64/AArch64TargetMachine.cpp

Modified: llvm/trunk/lib/Target/AArch64/AArch64A57FPLoadBalancing.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64A57FPLoadBalancing.cpp?rev=231165&r1=231164&r2=231165&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AArch64/AArch64A57FPLoadBalancing.cpp (original)
+++ llvm/trunk/lib/Target/AArch64/AArch64A57FPLoadBalancing.cpp Tue Mar  3 17:22:40 2015
@@ -307,6 +307,11 @@ public:
 //===----------------------------------------------------------------------===//
 
 bool AArch64A57FPLoadBalancing::runOnMachineFunction(MachineFunction &F) {
+  // Don't do anything if this isn't an A53 or A57.
+  if (!(F.getSubtarget<AArch64Subtarget>().isCortexA53() ||
+        F.getSubtarget<AArch64Subtarget>().isCortexA57()))
+    return false;
+
   bool Changed = false;
   DEBUG(dbgs() << "***** AArch64A57FPLoadBalancing *****\n");
 

Modified: llvm/trunk/lib/Target/AArch64/AArch64TargetMachine.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64TargetMachine.cpp?rev=231165&r1=231164&r2=231165&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AArch64/AArch64TargetMachine.cpp (original)
+++ llvm/trunk/lib/Target/AArch64/AArch64TargetMachine.cpp Tue Mar  3 17:22:40 2015
@@ -287,10 +287,7 @@ void AArch64PassConfig::addPostRegAlloc(
   // Change dead register definitions to refer to the zero register.
   if (TM->getOptLevel() != CodeGenOpt::None && EnableDeadRegisterElimination)
     addPass(createAArch64DeadRegisterDefinitions());
-  if (TM->getOptLevel() != CodeGenOpt::None &&
-      (TM->getSubtarget<AArch64Subtarget>().isCortexA53() ||
-       TM->getSubtarget<AArch64Subtarget>().isCortexA57()) &&
-      usingDefaultRegAlloc())
+  if (TM->getOptLevel() != CodeGenOpt::None && usingDefaultRegAlloc())
     // Improve performance for some FP/SIMD code for A57.
     addPass(createAArch64A57FPLoadBalancing());
 }