[llvm] r303092 - [SCEV] Use copy initialization of APInts instead of direct initialization.
Craig Topper via llvm-commits
llvm-commits at lists.llvm.org
Mon May 15 11:14:16 PDT 2017
Author: ctopper
Date: Mon May 15 13:14:16 2017
New Revision: 303092
URL: http://llvm.org/viewvc/llvm-project?rev=303092&view=rev
Log:
[SCEV] Use copy initialization of APInts instead of direct initialization.
This is based on post commit feed back from r302769.
Modified:
llvm/trunk/lib/Analysis/ScalarEvolution.cpp
Modified: llvm/trunk/lib/Analysis/ScalarEvolution.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/ScalarEvolution.cpp?rev=303092&r1=303091&r2=303092&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/ScalarEvolution.cpp (original)
+++ llvm/trunk/lib/Analysis/ScalarEvolution.cpp Mon May 15 13:14:16 2017
@@ -7403,17 +7403,17 @@ SolveQuadraticEquation(const SCEVAddRecE
// Convert from chrec coefficients to polynomial coefficients AX^2+BX+C
// The A coefficient is N/2
- APInt A(N.sdiv(Two));
+ APInt A = N.sdiv(Two);
// The B coefficient is M-N/2
- APInt B(M);
+ APInt B = M;
B -= A; // A is the same as N/2.
// The C coefficient is L.
const APInt& C = L;
// Compute the B^2-4ac term.
- APInt SqrtTerm(B);
+ APInt SqrtTerm = B;
SqrtTerm *= B;
SqrtTerm -= 4 * (A * C);
@@ -7424,12 +7424,12 @@ SolveQuadraticEquation(const SCEVAddRecE
// Compute sqrt(B^2-4ac). This is guaranteed to be the nearest
// integer value or else APInt::sqrt() will assert.
- APInt SqrtVal(SqrtTerm.sqrt());
+ APInt SqrtVal = SqrtTerm.sqrt();
// Compute the two solutions for the quadratic formula.
// The divisions must be performed as signed divisions.
- APInt NegB(-std::move(B));
- APInt TwoA(std::move(A));
+ APInt NegB = -std::move(B);
+ APInt TwoA = std::move(A);
TwoA <<= 1;
if (TwoA.isNullValue())
return None;
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