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Remove use of the ConstantHandling interfaces

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10793 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-01-12 19:12:50 +00:00
parent c6646ebdb9
commit 5585b335e5
1 changed files with 6 additions and 15 deletions
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21
lib/Transforms/Scalar/CorrelatedExprs.cpp
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@ -27,10 +27,11 @@
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
#include "llvm/Transforms/Scalar.h" #include "llvm/Transforms/Scalar.h"
#include "llvm/Constants.h"
#include "llvm/Pass.h" #include "llvm/Pass.h"
#include "llvm/Function.h" #include "llvm/Function.h"
#include "llvm/Instructions.h" #include "llvm/Instructions.h"
#include "llvm/ConstantHandling.h" #include "llvm/Type.h"
#include "llvm/Analysis/Dominators.h" #include "llvm/Analysis/Dominators.h"
#include "llvm/Assembly/Writer.h" #include "llvm/Assembly/Writer.h"
#include "llvm/Transforms/Utils/Local.h" #include "llvm/Transforms/Utils/Local.h"
@ -1129,20 +1130,10 @@ static bool CheckCondition(Constant *Bound, Constant *C,
assert(C != 0 && "C is not specified!"); assert(C != 0 && "C is not specified!");
if (Bound == 0) return false; if (Bound == 0) return false;
ConstantBool *Val; Constant *Val = ConstantExpr::get(BO, Bound, C);
switch (BO) { if (ConstantBool *CB = dyn_cast<ConstantBool>(Val))
default: assert(0 && "Unknown Condition code!"); return !CB->getValue(); // Return true if the condition is false...
case Instruction::SetEQ: Val = *Bound == *C; break; return false;
case Instruction::SetNE: Val = *Bound != *C; break;
case Instruction::SetLT: Val = *Bound < *C; break;
case Instruction::SetGT: Val = *Bound > *C; break;
case Instruction::SetLE: Val = *Bound <= *C; break;
case Instruction::SetGE: Val = *Bound >= *C; break;
}
// ConstantHandling code may not succeed in the comparison...
if (Val == 0) return false;
return !Val->getValue(); // Return true if the condition is false...
} }
// contradicts - Return true if the relationship specified by the operand // contradicts - Return true if the relationship specified by the operand