From 05c05ea9cad7d8836e161db674b041a0485fe39f Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sun, 7 Apr 2002 08:10:14 +0000 Subject: Implement constant propogation of multiply and divide instructions!! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2134 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/ConstantHandling.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'include') diff --git a/include/llvm/ConstantHandling.h b/include/llvm/ConstantHandling.h index 2611745..d0f50fa 100644 --- a/include/llvm/ConstantHandling.h +++ b/include/llvm/ConstantHandling.h @@ -73,6 +73,8 @@ public: const Constant *V2) const = 0; virtual Constant *mul(const Constant *V1, const Constant *V2) const = 0; + virtual Constant *div(const Constant *V1, + const Constant *V2) const = 0; virtual ConstantBool *lessthan(const Constant *V1, const Constant *V2) const = 0; @@ -146,6 +148,11 @@ inline Constant *operator*(const Constant &V1, const Constant &V2) { return ConstRules::get(V1)->mul(&V1, &V2); } +inline Constant *operator/(const Constant &V1, const Constant &V2) { + assert(V1.getType() == V2.getType() && "Constant types must be identical!"); + return ConstRules::get(V1)->div(&V1, &V2); +} + inline ConstantBool *operator<(const Constant &V1, const Constant &V2) { assert(V1.getType() == V2.getType() && "Constant types must be identical!"); @@ -197,6 +204,8 @@ inline Constant *ConstantFoldBinaryInstruction(unsigned Opcode, switch (Opcode) { case Instruction::Add: return *V1 + *V2; case Instruction::Sub: return *V1 - *V2; + case Instruction::Mul: return *V1 * *V2; + case Instruction::Div: return *V1 / *V2; case Instruction::SetEQ: return *V1 == *V2; case Instruction::SetNE: return *V1 != *V2; -- cgit v1.1