[llvm-commits] CVS: llvm/lib/Transforms/Scalar/InstructionCombining.cpp

[Reid Spencer]

On Tue, 2006-12-12 at 12:41 -0600, Chris Lattner wrote:
> 
> Changes in directory llvm/lib/Transforms/Scalar:
> 
> InstructionCombining.cpp updated: 1.563 -> 1.564
> ---
> Log message:
> 
> Fix regression on 400.perlbench last night.

Chris, Thanks. I should have SPEC2006 in a few weeks. Are you sure this
shouldn't be getTruncOrBitCast ?

Reid.

> 
> 
> ---
> Diffs of the changes:  (+1 -1)
> 
>  InstructionCombining.cpp |    2 +-
>  1 files changed, 1 insertion(+), 1 deletion(-)
> 
> 
> Index: llvm/lib/Transforms/Scalar/InstructionCombining.cpp
> diff -u llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.563 llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.564
> --- llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.563	Tue Dec 12 03:18:51 2006
> +++ llvm/lib/Transforms/Scalar/InstructionCombining.cpp	Tue Dec 12 12:41:03 2006
> @@ -3112,7 +3112,7 @@
>              } else if (CastOp->getOpcode() == Instruction::Or) {
>                // Change: and (cast (or X, C1) to T), C2
>                // into  : trunc(C1)&C2 iff trunc(C1)&C2 == C2
> -              Constant *C3 = ConstantExpr::getBitCast(AndCI, I.getType());
> +              Constant *C3 = ConstantExpr::getTrunc(AndCI, I.getType());
>                if (ConstantExpr::getAnd(C3, AndRHS) == AndRHS)   // trunc(C1)&C2
>                  return ReplaceInstUsesWith(I, AndRHS);
>              }
> 
> 
> 
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