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| author | Craig Topper <craig.topper@gmail.com> | 2017-04-22 19:59:11 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2017-04-22 19:59:11 +0000 |
| commit | 3a29e3b8e72a050a84fd4acd83ffe4fb0cccfb34 (patch) | |
| tree | 6aeb332750b4513adef191ad39a45f671a45de2d /llvm/lib/Support | |
| parent | 016a82ba51d2a3574130423b27ffbdc24326ed5d (diff) | |
| download | bcm5719-llvm-3a29e3b8e72a050a84fd4acd83ffe4fb0cccfb34.tar.gz bcm5719-llvm-3a29e3b8e72a050a84fd4acd83ffe4fb0cccfb34.zip | |
[APInt] Remove unnecessary min with BitWidth from countTrailingOnesSlowCase.
The unused upper bits are guaranteed to be 0 so we don't need to worry about accidentally counting them.
llvm-svn: 301091
Diffstat (limited to 'llvm/lib/Support')
| -rw-r--r-- | llvm/lib/Support/APInt.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Support/APInt.cpp b/llvm/lib/Support/APInt.cpp index 95b8345b9c6..9bb364af279 100644 --- a/llvm/lib/Support/APInt.cpp +++ b/llvm/lib/Support/APInt.cpp @@ -688,7 +688,8 @@ unsigned APInt::countTrailingOnesSlowCase() const { Count += APINT_BITS_PER_WORD; if (i < getNumWords()) Count += llvm::countTrailingOnes(pVal[i]); - return std::min(Count, BitWidth); + assert(Count <= BitWidth); + return Count; } unsigned APInt::countPopulationSlowCase() const { |
