[PATCH] [Polly][DependenceInfo] Remove dead initialization
Dominik Adamski via llvm-commits
llvm-commits at lists.llvm.org
Mon May 13 13:27:46 PDT 2019
Fix scan-analyzer issue:
Value stored to 'WARMemAccesses' during its initialization is never read
Link to found issue:
http://llvm.org/reports/scan-build/report-DependenceInfo.cpp-buildWAR-12-1.html#EndPath
Signed-off-by: Dominik Adamski <adamski.dominik at gmail.com>
---
polly/lib/Analysis/DependenceInfo.cpp | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/polly/lib/Analysis/DependenceInfo.cpp b/polly/lib/Analysis/DependenceInfo.cpp
index 173c292c81e..e0d2ad81b45 100644
--- a/polly/lib/Analysis/DependenceInfo.cpp
+++ b/polly/lib/Analysis/DependenceInfo.cpp
@@ -384,8 +384,7 @@ static isl_union_map *buildWAR(isl_union_map *Write, isl_union_map *MustWrite,
// { [Read+Write -> MemAccess] -> Read+Write }
// Reverse
// { Read+Write -> [Read+Write -> MemAccess] }
- auto WARMemAccesses = isl_union_map_copy(WAROverestimated);
- WARMemAccesses = isl_union_map_range_factor_range(WAROverestimated);
+ auto WARMemAccesses = isl_union_map_range_factor_range(WAROverestimated);
WARMemAccesses = isl_union_map_domain_map(WARMemAccesses);
WARMemAccesses = isl_union_map_reverse(WARMemAccesses);
--
2.17.1
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