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author | Michael Ilseman <milseman@apple.com> | 2014-12-15 18:48:43 +0000 |
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committer | Michael Ilseman <milseman@apple.com> | 2014-12-15 18:48:43 +0000 |
commit | addddc441f9c7fbd4ed70bc5a3256c385599929d (patch) | |
tree | d418ffd0237296eef0ec82e40c001e7771dc66c3 /llvm/lib/DebugInfo/DWARFDebugInfoEntry.cpp | |
parent | b736bf38990c4d474b1267f90c0706a3c983a10f (diff) | |
download | bcm5719-llvm-addddc441f9c7fbd4ed70bc5a3256c385599929d.tar.gz bcm5719-llvm-addddc441f9c7fbd4ed70bc5a3256c385599929d.zip |
Silence more static analyzer warnings.
Add in definedness checks for shift operators, null checks when
pointers are assumed by the code to be non-null, and explicit
unreachables.
llvm-svn: 224255
Diffstat (limited to 'llvm/lib/DebugInfo/DWARFDebugInfoEntry.cpp')
-rw-r--r-- | llvm/lib/DebugInfo/DWARFDebugInfoEntry.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/DebugInfo/DWARFDebugInfoEntry.cpp b/llvm/lib/DebugInfo/DWARFDebugInfoEntry.cpp index 583e70055c0..b16a53cbb78 100644 --- a/llvm/lib/DebugInfo/DWARFDebugInfoEntry.cpp +++ b/llvm/lib/DebugInfo/DWARFDebugInfoEntry.cpp @@ -76,7 +76,9 @@ void DWARFDebugInfoEntryMinimal::dump(raw_ostream &OS, DWARFUnit *u, static void dumpApplePropertyAttribute(raw_ostream &OS, uint64_t Val) { OS << " ("; do { - uint64_t Bit = 1ULL << countTrailingZeros(Val); + uint64_t Shift = countTrailingZeros(Val); + assert(Shift < 64 && "undefined behavior"); + uint64_t Bit = 1ULL << Shift; if (const char *PropName = ApplePropertyString(Bit)) OS << PropName; else |