diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86FixupBWInsts.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86FixupBWInsts.cpp | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/llvm/lib/Target/X86/X86FixupBWInsts.cpp b/llvm/lib/Target/X86/X86FixupBWInsts.cpp index 1fa2855264f..045a4ed8dca 100644 --- a/llvm/lib/Target/X86/X86FixupBWInsts.cpp +++ b/llvm/lib/Target/X86/X86FixupBWInsts.cpp @@ -78,21 +78,19 @@ class FixupBWInstPass : public MachineFunctionPass { return "X86 Byte/Word Instruction Fixup"; } - /// \brief Loop over all of the instructions in the basic block - /// replacing applicable byte or word instructions with better - /// alternatives. + /// Loop over all of the instructions in the basic block replacing applicable + /// byte or word instructions with better alternatives. void processBasicBlock(MachineFunction &MF, MachineBasicBlock &MBB); - /// \brief This sets the \p SuperDestReg to the 32 bit super reg - /// of the original destination register of the MachineInstr - /// passed in. It returns true if that super register is dead - /// just prior to \p OrigMI, and false if not. + /// This sets the \p SuperDestReg to the 32 bit super reg of the original + /// destination register of the MachineInstr passed in. It returns true if + /// that super register is dead just prior to \p OrigMI, and false if not. bool getSuperRegDestIfDead(MachineInstr *OrigMI, unsigned &SuperDestReg) const; - /// \brief Change the MachineInstr \p MI into the equivalent extending load - /// to 32 bit register if it is safe to do so. Return the replacement - /// instruction if OK, otherwise return nullptr. + /// Change the MachineInstr \p MI into the equivalent extending load to 32 bit + /// register if it is safe to do so. Return the replacement instruction if + /// OK, otherwise return nullptr. MachineInstr *tryReplaceLoad(unsigned New32BitOpcode, MachineInstr *MI) const; public: @@ -104,9 +102,9 @@ public: MachineFunctionPass::getAnalysisUsage(AU); } - /// \brief Loop over all of the basic blocks, - /// replacing byte and word instructions by equivalent 32 bit instructions - /// where performance or code size can be improved. + /// Loop over all of the basic blocks, replacing byte and word instructions by + /// equivalent 32 bit instructions where performance or code size can be + /// improved. bool runOnMachineFunction(MachineFunction &MF) override; MachineFunctionProperties getRequiredProperties() const override { |
