Changes in directory llvm/lib/Transforms/Scalar:
InstructionCombining.cpp updated: 1.626 -> 1.627 --- Log message: fix a miscompilation of 176.gcc --- Diffs of the changes: (+2 -2) InstructionCombining.cpp | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) Index: llvm/lib/Transforms/Scalar/InstructionCombining.cpp diff -u llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.626 llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.627 --- llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.626 Sun Feb 4 18:57:54 2007 +++ llvm/lib/Transforms/Scalar/InstructionCombining.cpp Sun Feb 4 22:09:35 2007 @@ -5647,12 +5647,12 @@ if (ShiftAmt1 == ShiftAmt2) { // If we have ((X >>? C) << C), turn this into X & (-1 << C). if (I.getOpcode() == Instruction::Shl) { - uint64_t Mask = -1ULL << ShiftAmt1; + uint64_t Mask = Ty->getBitMask() << ShiftAmt1; return BinaryOperator::createAnd(X, ConstantInt::get(Ty, Mask)); } // If we have ((X << C) >>u C), turn this into X & (-1 >>u C). if (I.getOpcode() == Instruction::LShr) { - uint64_t Mask = -1ULL >> ShiftAmt1; + uint64_t Mask = Ty->getBitMask() >> ShiftAmt1; return BinaryOperator::createAnd(X, ConstantInt::get(Ty, Mask)); } // We can simplify ((X << C) >>s C) into a trunc + sext. _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits