[PATCH] D150140: [NFC][CLANG] Fix Static Code Analysis Concerns
Soumi Manna via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Wed May 10 13:24:44 PDT 2023
Manna updated this revision to Diff 521089.
Manna added a comment.
Fix Coverity complain about shift overflow issue
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D150140/new/
https://reviews.llvm.org/D150140
Files:
clang/utils/TableGen/SveEmitter.cpp
Index: clang/utils/TableGen/SveEmitter.cpp
===================================================================
--- clang/utils/TableGen/SveEmitter.cpp
+++ clang/utils/TableGen/SveEmitter.cpp
@@ -299,6 +299,7 @@
if (It != FlagTypes.end()) {
uint64_t Mask = It->getValue();
unsigned Shift = llvm::countr_zero(Mask);
+ assert(Shift < 64 && "Mask value produced an invalid shift value");
return (V << Shift) & Mask;
}
llvm_unreachable("Unsupported flag");
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