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Use DEBUG() instead of passing *DOUT to WriteAsOperand,

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since the latter just passes a null reference when
debugging is not enabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65060 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-02-19 19:32:06 +00:00
parent 2f09f51954
commit 4a359ea2d5
1 changed files with 7 additions and 17 deletions
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24
lib/Transforms/Scalar/LoopStrengthReduce.cpp
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@ -762,11 +762,9 @@ void BasedUser::RewriteInstructionToUseNewBase(const SCEVHandle &NewBase,
// Replace the use of the operand Value with the new Phi we just created.
Inst->replaceUsesOfWith(OperandValToReplace, NewVal);
#ifndef NDEBUG
DOUT << " Replacing with ";
WriteAsOperand(*DOUT, NewVal, /*PrintType=*/false);
DEBUG(WriteAsOperand(*DOUT, NewVal, /*PrintType=*/false));
DOUT << ", which has value " << *NewBase << " plus IMM " << *Imm << "\n";
#endif
return;
}
@ -830,11 +828,9 @@ void BasedUser::RewriteInstructionToUseNewBase(const SCEVHandle &NewBase,
PN->getType());
}
#ifndef NDEBUG
DOUT << " Changing PHI use to ";
WriteAsOperand(*DOUT, Code, /*PrintType=*/false);
DEBUG(WriteAsOperand(*DOUT, Code, /*PrintType=*/false));
DOUT << ", which has value " << *NewBase << " plus IMM " << *Imm << "\n";
#endif
}
// Replace the use of the operand Value with the new Phi we just created.
@ -1555,13 +1551,11 @@ void LoopStrengthReduce::StrengthReduceStridedIVUsers(const SCEVHandle &Stride,
// Remember this in case a later stride is multiple of this.
IVsByStride[Stride].addIV(Stride, CommonExprs, NewPHI, IncV);
#ifndef NDEBUG
DOUT << " Inserted new PHI: IV=";
WriteAsOperand(*DOUT, NewPHI, /*PrintType=*/false);
DEBUG(WriteAsOperand(*DOUT, NewPHI, /*PrintType=*/false));
DOUT << ", INC=";
WriteAsOperand(*DOUT, IncV, /*PrintType=*/false);
DEBUG(WriteAsOperand(*DOUT, IncV, /*PrintType=*/false));
DOUT << "\n";
#endif
} else {
DOUT << " Rewriting in terms of existing IV of STRIDE " << *ReuseIV.Stride
<< " and BASE " << *ReuseIV.Base << "\n";
@ -1618,11 +1612,9 @@ void LoopStrengthReduce::StrengthReduceStridedIVUsers(const SCEVHandle &Stride,
// Emit the code for Base into the preheader.
Value *BaseV = PreheaderRewriter.expandCodeFor(Base, PreInsertPt);
#ifndef NDEBUG
DOUT << " Examining uses with BASE ";
WriteAsOperand(*DOUT, BaseV, /*PrintType=*/false);
DEBUG(WriteAsOperand(*DOUT, BaseV, /*PrintType=*/false));
DOUT << ":\n";
#endif
// If BaseV is a constant other than 0, make sure that it gets inserted into
// the preheader, instead of being forward substituted into the uses. We do
@ -1644,12 +1636,10 @@ void LoopStrengthReduce::StrengthReduceStridedIVUsers(const SCEVHandle &Stride,
// FIXME: Use emitted users to emit other users.
BasedUser &User = UsersToProcess.back();
#ifndef NDEBUG
DOUT << " Examining use ";
WriteAsOperand(*DOUT, UsersToProcess.back().OperandValToReplace,
/*PrintType=*/false);
DEBUG(WriteAsOperand(*DOUT, UsersToProcess.back().OperandValToReplace,
/*PrintType=*/false));
DOUT << " in Inst: " << *Inst;
#endif
// If this instruction wants to use the post-incremented value, move it
// after the post-inc and use its value instead of the PHI.