[PATCH] D120882: fix overflow in example code.
pl via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sun Mar 20 20:01:47 PDT 2022
0x00-pl updated this revision to Diff 416815.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D120882/new/
https://reviews.llvm.org/D120882
Files:
llvm/lib/Transforms/Scalar/LoopInterchange.cpp
Index: llvm/lib/Transforms/Scalar/LoopInterchange.cpp
===================================================================
--- llvm/lib/Transforms/Scalar/LoopInterchange.cpp
+++ llvm/lib/Transforms/Scalar/LoopInterchange.cpp
@@ -1067,8 +1067,8 @@
continue;
// If we find the inner induction after an outer induction e.g.
- // for(int i=0;i<N;i++)
- // for(int j=0;j<N;j++)
+ // for(int i=1;i<N;i++)
+ // for(int j=1;j<N;j++)
// A[i][j] = A[i-1][j-1]+k;
// then it is a good order.
if (AR->getLoop() == InnerLoop) {
@@ -1081,8 +1081,8 @@
}
}
// If we find the outer induction after an inner induction e.g.
- // for(int i=0;i<N;i++)
- // for(int j=0;j<N;j++)
+ // for(int i=1;i<N;i++)
+ // for(int j=1;j<N;j++)
// A[j][i] = A[j-1][i-1]+k;
// then it is a bad order.
if (AR->getLoop() == OuterLoop) {
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