diff options
Diffstat (limited to 'lib/Transforms/Scalar/InstructionCombining.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/InstructionCombining.cpp | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp index 5465e4a..21d3939 100644 --- a/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/lib/Transforms/Scalar/InstructionCombining.cpp @@ -2290,7 +2290,7 @@ Instruction *InstCombiner::visitAdd(BinaryOperator &I) { } // add (cast *A to intptrtype) B -> - // cast (GEP (cast *A to sbyte*) B) --> intptrtype + // cast (GEP (cast *A to i8*) B) --> intptrtype { CastInst *CI = dyn_cast<CastInst>(LHS); Value *Other = RHS; @@ -7133,10 +7133,10 @@ Instruction *InstCombiner::visitICmpInstWithCastAndCast(ICmpInst &ICI) { if (Res2 == CI) { // Make sure that sign of the Cmp and the sign of the Cast are the same. // For example, we might have: - // %A = sext short %X to uint - // %B = icmp ugt uint %A, 1330 + // %A = sext i16 %X to i32 + // %B = icmp ugt i32 %A, 1330 // It is incorrect to transform this into - // %B = icmp ugt short %X, 1330 + // %B = icmp ugt i16 %X, 1330 // because %A may have negative value. // // However, we allow this when the compare is EQ/NE, because they are @@ -7273,8 +7273,8 @@ Instruction *InstCombiner::FoldShiftByConstant(Value *Op0, ConstantInt *Op1, // purpose is to compute bits we don't care about. uint32_t TypeBits = Op0->getType()->getPrimitiveSizeInBits(); - // shl uint X, 32 = 0 and shr ubyte Y, 9 = 0, ... just don't eliminate shr - // of a signed value. + // shl i32 X, 32 = 0 and srl i8 Y, 9 = 0, ... just don't eliminate + // a signed shift. // if (Op1->uge(TypeBits)) { if (I.getOpcode() != Instruction::AShr) |