[ARITH] Fix lowering of floormod(x, y) != 0 (#4127)

bc543107 · Sergei Grechanik · Tianqi Chen · a0bd3786 · bc543107
Commit bc543107 authored Oct 15, 2019 by Sergei Grechanik Committed by Tianqi Chen Oct 15, 2019
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src/pass/lower_intrin.cc
+1 -1

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--- a/src/pass/lower_intrin.cc
+++ b/src/pass/lower_intrin.cc
@@ -193,7 +193,7 @@ class IntrinInjecter : public arith::IRMutatorWithAnalyzer {
    using namespace arith;
    PVar<Expr> x, y;
    if ((floormod(x, y) != 0).Match(e)) {
-      return Mutate((truncmod(x, y) == 0).Eval());
+      return Mutate((truncmod(x, y) != 0).Eval());
    }
    return IRMutatorWithAnalyzer::Mutate_(op, e);
  }