[llvm-commits] [llvm] r45622 - /llvm/trunk/lib/Target/X86/X86InstrInfo.cpp
Chris Lattner
sabre at nondot.org
Fri Jan 4 21:28:30 PST 2008
Author: lattner
Date: Fri Jan 4 23:28:30 2008
New Revision: 45622
URL: http://llvm.org/viewvc/llvm-project?rev=45622&view=rev
Log:
simplify some code by using shorter accessors.
Modified:
llvm/trunk/lib/Target/X86/X86InstrInfo.cpp
Modified: llvm/trunk/lib/Target/X86/X86InstrInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrInfo.cpp?rev=45622&r1=45621&r2=45622&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrInfo.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86InstrInfo.cpp Fri Jan 4 23:28:30 2008
@@ -135,11 +135,13 @@
case X86::MMX_MOVD64rm:
case X86::MMX_MOVQ64rm:
// Loads from constant pools are trivially rematerializable.
- return MI->getOperand(1).isRegister() && MI->getOperand(2).isImmediate() &&
- MI->getOperand(3).isRegister() && MI->getOperand(4).isConstantPoolIndex() &&
- MI->getOperand(1).getReg() == 0 &&
- MI->getOperand(2).getImm() == 1 &&
- MI->getOperand(3).getReg() == 0;
+ if (MI->getOperand(1).isReg() && MI->getOperand(2).isImm() &&
+ MI->getOperand(3).isReg() && MI->getOperand(4).isCPI() &&
+ MI->getOperand(1).getReg() == 0 &&
+ MI->getOperand(2).getImm() == 1 &&
+ MI->getOperand(3).getReg() == 0)
+ return true;
+ return false;
}
// All other instructions marked M_REMATERIALIZABLE are always trivially
// rematerializable.
@@ -161,10 +163,8 @@
// Loads from global addresses which aren't redefined in the function are
// side effect free.
if (Reg != 0 && MRegisterInfo::isVirtualRegister(Reg) &&
- MI->getOperand(2).isImmediate() &&
- MI->getOperand(3).isRegister() &&
- MI->getOperand(4).isGlobalAddress() &&
- MI->getOperand(2).getImm() == 1 &&
+ MI->getOperand(2).isImm() && MI->getOperand(3).isReg() &&
+ MI->getOperand(4).isGlobal() && MI->getOperand(2).getImm() == 1 &&
MI->getOperand(3).getReg() == 0)
return true;
}
@@ -181,14 +181,14 @@
case X86::MOVAPDrm:
case X86::MMX_MOVD64rm:
case X86::MMX_MOVQ64rm:
- // Loads from constant pools have no side effects
- return MI->getOperand(1).isRegister() &&
- MI->getOperand(2).isImmediate() &&
- MI->getOperand(3).isRegister() &&
- MI->getOperand(4).isConstantPoolIndex() &&
- MI->getOperand(1).getReg() == 0 &&
- MI->getOperand(2).getImm() == 1 &&
- MI->getOperand(3).getReg() == 0;
+ // Loads from constant pools are trivially rematerializable.
+ if (MI->getOperand(1).isReg() && MI->getOperand(2).isImm() &&
+ MI->getOperand(3).isReg() && MI->getOperand(4).isCPI() &&
+ MI->getOperand(1).getReg() == 0 &&
+ MI->getOperand(2).getImm() == 1 &&
+ MI->getOperand(3).getReg() == 0)
+ return true;
+ return false;
}
// All other instances of these instructions are presumed to have side
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