Fix comment of findGCD.

llvm-svn: 198660

diff --git a/llvm/lib/Analysis/DependenceAnalysis.cpp b/llvm/lib/Analysis/DependenceAnalysis.cpp
index 3b3e2ef..f152aeb 100644 (file)
--- a/llvm/lib/Analysis/DependenceAnalysis.cpp
+++ b/llvm/lib/Analysis/DependenceAnalysis.cpp
@@ -1275,8 +1275,8 @@ bool DependenceAnalysis::weakCrossingSIVtest(const SCEV *Coeff,
 //
 // Program 2.1, page 29.
 // Computes the GCD of AM and BM.
-// Also finds a solution to the equation ax - by = gdc(a, b).
-// Returns true iff the gcd divides Delta.
+// Also finds a solution to the equation ax - by = gcd(a, b).
+// Returns true if dependence disproved; i.e., gcd does not divide Delta.
 static
 bool findGCD(unsigned Bits, APInt AM, APInt BM, APInt Delta,
              APInt &G, APInt &X, APInt &Y) {