diff options
Diffstat (limited to 'include/llvm/Instructions.h')
| -rw-r--r-- | include/llvm/Instructions.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/include/llvm/Instructions.h b/include/llvm/Instructions.h index 38a3dde628..d887c527e5 100644 --- a/include/llvm/Instructions.h +++ b/include/llvm/Instructions.h @@ -604,7 +604,8 @@ class ShiftInst : public Instruction { Ops[1].init(SI.Ops[1], this); } void init(OtherOps Opcode, Value *S, Value *SA) { - assert((Opcode == Shl || Opcode == Shr) && "ShiftInst Opcode invalid!"); + assert((Opcode == Shl || Opcode == LShr || Opcode == AShr) && + "ShiftInst Opcode invalid!"); Ops[0].init(S, this); Ops[1].init(SA, this); } @@ -638,7 +639,11 @@ public: /// isLogicalShift - Return true if this is a logical shift left or a logical /// shift right. - bool isLogicalShift() const; + bool isLogicalShift() const { + unsigned opcode = getOpcode(); + return opcode == Instruction::Shl || opcode == Instruction::LShr; + } + /// isArithmeticShift - Return true if this is a sign-extending shift right /// operation. @@ -652,7 +657,8 @@ public: // Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const ShiftInst *) { return true; } static inline bool classof(const Instruction *I) { - return (I->getOpcode() == Instruction::Shr) | + return (I->getOpcode() == Instruction::LShr) | + (I->getOpcode() == Instruction::AShr) | (I->getOpcode() == Instruction::Shl); } static inline bool classof(const Value *V) { |