diff options
Diffstat (limited to 'lib/CodeGen/RegAllocBasic.cpp')
| -rw-r--r-- | lib/CodeGen/RegAllocBasic.cpp | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/lib/CodeGen/RegAllocBasic.cpp b/lib/CodeGen/RegAllocBasic.cpp index 1d77b29..5ea26ad 100644 --- a/lib/CodeGen/RegAllocBasic.cpp +++ b/lib/CodeGen/RegAllocBasic.cpp @@ -20,6 +20,7 @@ #include "RenderMachineFunction.h" #include "Spiller.h" #include "VirtRegMap.h" +#include "RegisterCoalescer.h" #include "llvm/ADT/OwningPtr.h" #include "llvm/ADT/Statistic.h" #include "llvm/Analysis/AliasAnalysis.h" @@ -34,7 +35,6 @@ #include "llvm/CodeGen/MachineRegisterInfo.h" #include "llvm/CodeGen/Passes.h" #include "llvm/CodeGen/RegAllocRegistry.h" -#include "llvm/CodeGen/RegisterCoalescer.h" #include "llvm/Target/TargetMachine.h" #include "llvm/Target/TargetOptions.h" #include "llvm/Target/TargetRegisterInfo.h" @@ -141,7 +141,7 @@ RABasic::RABasic(): MachineFunctionPass(ID) { initializeLiveIntervalsPass(*PassRegistry::getPassRegistry()); initializeSlotIndexesPass(*PassRegistry::getPassRegistry()); initializeStrongPHIEliminationPass(*PassRegistry::getPassRegistry()); - initializeRegisterCoalescerAnalysisGroup(*PassRegistry::getPassRegistry()); + initializeRegisterCoalescerPass(*PassRegistry::getPassRegistry()); initializeCalculateSpillWeightsPass(*PassRegistry::getPassRegistry()); initializeLiveStacksPass(*PassRegistry::getPassRegistry()); initializeMachineDominatorTreePass(*PassRegistry::getPassRegistry()); @@ -324,19 +324,21 @@ void RegAllocBase::allocatePhysRegs() { if (AvailablePhysReg == ~0u) { // selectOrSplit failed to find a register! - std::string msg; - raw_string_ostream Msg(msg); - Msg << "Ran out of registers during register allocation!" - "\nCannot allocate: " << *VirtReg; + const char *Msg = "ran out of registers during register allocation"; + // Probably caused by an inline asm. + MachineInstr *MI; for (MachineRegisterInfo::reg_iterator I = MRI->reg_begin(VirtReg->reg); - MachineInstr *MI = I.skipInstruction();) { - if (!MI->isInlineAsm()) - continue; - Msg << "\nPlease check your inline asm statement for " - "invalid constraints:\n"; - MI->print(Msg, &VRM->getMachineFunction().getTarget()); - } - report_fatal_error(Msg.str()); + (MI = I.skipInstruction());) + if (MI->isInlineAsm()) + break; + if (MI) + MI->emitError(Msg); + else + report_fatal_error(Msg); + // Keep going after reporting the error. + VRM->assignVirt2Phys(VirtReg->reg, + RegClassInfo.getOrder(MRI->getRegClass(VirtReg->reg)).front()); + continue; } if (AvailablePhysReg) |
