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Fix a nasty bug introduced when apint'ified. This fixes

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Transforms/IndVarsSimplify/exit_value_tests.llx


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36081 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-04-15 19:52:49 +00:00
parent 2bd55af292
commit fe560b8c85
1 changed files with 4 additions and 4 deletions
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8
lib/Analysis/ScalarEvolution.cpp
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@ -2096,9 +2096,9 @@ SolveQuadraticEquation(const SCEVAddRecExpr *AddRec) {
}
uint32_t BitWidth = LC->getValue()->getValue().getBitWidth();
const APInt& L = LC->getValue()->getValue();
const APInt& M = MC->getValue()->getValue();
const APInt& N = MC->getValue()->getValue();
const APInt &L = LC->getValue()->getValue();
const APInt &M = MC->getValue()->getValue();
const APInt &N = NC->getValue()->getValue();
APInt Two(BitWidth, 2);
APInt Four(BitWidth, 4);
@ -2125,7 +2125,7 @@ SolveQuadraticEquation(const SCEVAddRecExpr *AddRec) {
// Compute the two solutions for the quadratic formula.
// The divisions must be performed as signed divisions.
APInt NegB(-B);
APInt TwoA( A * Two );
APInt TwoA(A << 1);
ConstantInt *Solution1 = ConstantInt::get((NegB + SqrtVal).sdiv(TwoA));
ConstantInt *Solution2 = ConstantInt::get((NegB - SqrtVal).sdiv(TwoA));