Chris Lattner 5ae7911b24 Turn (X^C1) == C2 into X == C1^C2 iff X&~C1 = 0 (and move a function) ...

This happens all the time on PPC for bool values, e.g. eliminating a xori
in inverted-bool-compares.ll.

This should be added to the dag combiner as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23403 91177308-0d34-0410-b5e6-96231b3b80d8

2005-09-23 00:55:52 +00:00

..

SelectionDAG

Turn (X^C1) == C2 into X == C1^C2 iff X&~C1 = 0 (and move a function)

2005-09-23 00:55:52 +00:00

AsmPrinter.cpp

…

BranchFolding.cpp

…

ELFWriter.cpp

…

IntrinsicLowering.cpp

…

LiveInterval.cpp

Expose the LiveInterval interfaces as public headers.

2005-09-21 04:19:09 +00:00

LiveIntervalAnalysis.cpp

Expose the LiveInterval interfaces as public headers.

2005-09-21 04:19:09 +00:00

LiveVariables.cpp

…

MachineBasicBlock.cpp

…

MachineCodeEmitter.cpp

…

MachineFunction.cpp

If a function has live ins/outs, print them

2005-08-31 22:34:59 +00:00

MachineInstr.cpp

…

Makefile

…

Passes.cpp

…

PHIElimination.cpp

…

PhysRegTracker.h

…

PrologEpilogInserter.cpp

Fix a bug in my previous patch that was using the wrong iterator. This fixes

2005-08-29 00:10:46 +00:00

RegAllocIterativeScan.cpp

Expose the LiveInterval interfaces as public headers.

2005-09-21 04:19:09 +00:00

RegAllocLinearScan.cpp

Expose the LiveInterval interfaces as public headers.

2005-09-21 04:19:09 +00:00

RegAllocLocal.cpp

…

RegAllocSimple.cpp

…

TwoAddressInstructionPass.cpp

…

UnreachableBlockElim.cpp

…

VirtRegMap.cpp

Teach the local spiller to turn stack slot loads into register-register copies

2005-09-19 06:56:21 +00:00

VirtRegMap.h

…