diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64A57FPLoadBalancing.cpp | 5 | ||||
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64TargetMachine.cpp | 5 |
2 files changed, 6 insertions, 4 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64A57FPLoadBalancing.cpp b/llvm/lib/Target/AArch64/AArch64A57FPLoadBalancing.cpp index 7f1e3495775..9ad46736a30 100644 --- a/llvm/lib/Target/AArch64/AArch64A57FPLoadBalancing.cpp +++ b/llvm/lib/Target/AArch64/AArch64A57FPLoadBalancing.cpp @@ -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"); diff --git a/llvm/lib/Target/AArch64/AArch64TargetMachine.cpp b/llvm/lib/Target/AArch64/AArch64TargetMachine.cpp index d73d0b3f8b7..4389cfad80d 100644 --- a/llvm/lib/Target/AArch64/AArch64TargetMachine.cpp +++ b/llvm/lib/Target/AArch64/AArch64TargetMachine.cpp @@ -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()); } |
