diff options
author | Sanjay Patel <spatel@rotateright.com> | 2016-05-20 16:46:01 +0000 |
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committer | Sanjay Patel <spatel@rotateright.com> | 2016-05-20 16:46:01 +0000 |
commit | 040e77cee7815688a3029977c348f8fcf3860945 (patch) | |
tree | 60d4f70a2175f21ab2864ef06309a9b4e0d5d18e | |
parent | 4e5eef13a1c002e4d8bee77d48d1e94380c4391d (diff) |
fix documentation comments; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270234 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/Target/X86/X86VZeroUpper.cpp | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/lib/Target/X86/X86VZeroUpper.cpp b/lib/Target/X86/X86VZeroUpper.cpp index 4c8f2a77c64..dd1755377db 100644 --- a/lib/Target/X86/X86VZeroUpper.cpp +++ b/lib/Target/X86/X86VZeroUpper.cpp @@ -142,8 +142,7 @@ static bool hasYmmReg(MachineInstr *MI) { return false; } -/// clobbersAnyYmmReg() - Check if any YMM register will be clobbered by this -/// instruction. +/// Check if any YMM register will be clobbered by this instruction. static bool callClobbersAnyYmmReg(MachineInstr *MI) { assert(MI->isCall() && "Can only be called on call instructions."); for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) { @@ -158,16 +157,16 @@ static bool callClobbersAnyYmmReg(MachineInstr *MI) { return false; } -// Insert a vzeroupper instruction before I. +/// Insert a vzeroupper instruction before I. void VZeroUpperInserter::insertVZeroUpper(MachineBasicBlock::iterator I, - MachineBasicBlock &MBB) { + MachineBasicBlock &MBB) { DebugLoc dl = I->getDebugLoc(); BuildMI(MBB, I, dl, TII->get(X86::VZEROUPPER)); ++NumVZU; EverMadeChange = true; } -// Add MBB to the DirtySuccessors list if it hasn't already been added. +/// Add MBB to the DirtySuccessors list if it hasn't already been added. void VZeroUpperInserter::addDirtySuccessor(MachineBasicBlock &MBB) { if (!BlockStates[MBB.getNumber()].AddedToDirtySuccessors) { DirtySuccessors.push_back(&MBB); @@ -175,8 +174,8 @@ void VZeroUpperInserter::addDirtySuccessor(MachineBasicBlock &MBB) { } } -/// processBasicBlock - Loop over all of the instructions in the basic block, -/// inserting vzeroupper instructions before function calls. +/// Loop over all of the instructions in the basic block, inserting vzeroupper +/// instructions before function calls. void VZeroUpperInserter::processBasicBlock(MachineBasicBlock &MBB) { // Start by assuming that the block PASS_THROUGH, which implies no unguarded @@ -252,8 +251,8 @@ void VZeroUpperInserter::processBasicBlock(MachineBasicBlock &MBB) { BlockStates[MBB.getNumber()].ExitState = CurState; } -/// runOnMachineFunction - Loop over all of the basic blocks, inserting -/// vzeroupper instructions before function calls. +/// Loop over all of the basic blocks, inserting vzeroupper instructions before +/// function calls. bool VZeroUpperInserter::runOnMachineFunction(MachineFunction &MF) { const X86Subtarget &ST = MF.getSubtarget<X86Subtarget>(); if (!ST.hasAVX() || ST.hasAVX512() || ST.hasFastPartialYMMWrite()) |