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| author | Reid Spencer <rspencer@reidspencer.com> | 2007-02-25 23:54:00 +0000 |
|---|---|---|
| committer | Reid Spencer <rspencer@reidspencer.com> | 2007-02-25 23:54:00 +0000 |
| commit | f30b1885aec1e53edf815bf6c58d93b754e52996 (patch) | |
| tree | 6ce13c397c14aa68f1043b62207993fff74a98c7 /lib/Support/APInt.cpp | |
| parent | 9eec2413479becc7ccda188b083e43208748923b (diff) | |
Fix sext operation. Shifting by zero would leave an incorrect mask.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34617 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Support/APInt.cpp')
| -rw-r--r-- | lib/Support/APInt.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Support/APInt.cpp b/lib/Support/APInt.cpp index 09a600ffa2..e13778609b 100644 --- a/lib/Support/APInt.cpp +++ b/lib/Support/APInt.cpp @@ -889,7 +889,7 @@ void APInt::sext(uint32_t width) { return; } - uint64_t mask = ~0ULL << wordBits; + uint64_t mask = wordBits == 0 ? 0 : ~0ULL << wordBits; uint64_t *newVal = getMemory(wordsAfter); if (wordsBefore == 1) newVal[0] = VAL | mask; |