From be474734a534299fe3c5745ca4fe13598d9eb7c7 Mon Sep 17 00:00:00 2001 From: Dan Gohman Date: Fri, 30 Apr 2010 18:33:41 +0000 Subject: [PATCH] Add some comments. llvm-svn: 102731 --- llvm/include/llvm/Analysis/ScalarEvolution.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/llvm/include/llvm/Analysis/ScalarEvolution.h b/llvm/include/llvm/Analysis/ScalarEvolution.h index 56dc8f8eeaec..d3a8d8f4fe51 100644 --- a/llvm/include/llvm/Analysis/ScalarEvolution.h +++ b/llvm/include/llvm/Analysis/ScalarEvolution.h @@ -651,7 +651,9 @@ namespace llvm { const SCEV *LHS, const SCEV *RHS); /// SimplifyICmpOperands - Simplify LHS and RHS in a comparison with - /// predicate Pred. Return true iff any changes were made. + /// predicate Pred. Return true iff any changes were made. If the + /// operands are provably equal or inequal, LHS and RHS are set to + /// the same value and Pred is set to either ICMP_EQ or ICMP_NE. /// bool SimplifyICmpOperands(ICmpInst::Predicate &Pred, const SCEV *&LHS,