From: Reid Spencer Date: Sun, 25 Feb 2007 23:54:00 +0000 (+0000) Subject: Fix sext operation. Shifting by zero would leave an incorrect mask. X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=f30b1885aec1e53edf815bf6c58d93b754e52996;p=oota-llvm.git 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 --- diff --git a/lib/Support/APInt.cpp b/lib/Support/APInt.cpp index 09a600ffa2c..e13778609bb 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;