diff options
Diffstat (limited to 'lib/Target/AArch64/AArch64TargetMachine.cpp')
| -rw-r--r-- | lib/Target/AArch64/AArch64TargetMachine.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/Target/AArch64/AArch64TargetMachine.cpp b/lib/Target/AArch64/AArch64TargetMachine.cpp index f902f64..ab28a16 100644 --- a/lib/Target/AArch64/AArch64TargetMachine.cpp +++ b/lib/Target/AArch64/AArch64TargetMachine.cpp @@ -87,6 +87,11 @@ EnableGEPOpt("aarch64-gep-opt", cl::Hidden, cl::desc("Enable optimizations on complex GEPs"), cl::init(true)); +// FIXME: Unify control over GlobalMerge. +static cl::opt<cl::boolOrDefault> +EnableGlobalMerge("aarch64-global-merge", cl::Hidden, + cl::desc("Enable the global merge pass")); + extern "C" void LLVMInitializeAArch64Target() { // Register the target. RegisterTargetMachine<AArch64leTargetMachine> X(TheAArch64leTarget); @@ -245,7 +250,9 @@ bool AArch64PassConfig::addPreISel() { // FIXME: On AArch64, this depends on the type. // Basically, the addressable offsets are up to 4095 * Ty.getSizeInBytes(). // and the offset has to be a multiple of the related size in bytes. - if (TM->getOptLevel() == CodeGenOpt::Aggressive) + if ((TM->getOptLevel() == CodeGenOpt::Aggressive && + EnableGlobalMerge == cl::BOU_UNSET) || + EnableGlobalMerge == cl::BOU_TRUE) addPass(createGlobalMergePass(TM, 4095)); if (TM->getOptLevel() != CodeGenOpt::None) addPass(createAArch64AddressTypePromotionPass()); |