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| author | Chris Lattner <sabre@nondot.org> | 2008-12-02 23:33:29 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2008-12-02 23:33:29 +0000 |
| commit | 1d93b2e1b638cee7f012e8f636eb2cc137d855ff (patch) | |
| tree | 05b472d42c870c0bd571e398b6232524057a8222 /include | |
| parent | 96da0419490148e42dbab6984c07e28ec66a591d (diff) | |
| download | llvm-1d93b2e1b638cee7f012e8f636eb2cc137d855ff.tar.gz llvm-1d93b2e1b638cee7f012e8f636eb2cc137d855ff.tar.bz2 llvm-1d93b2e1b638cee7f012e8f636eb2cc137d855ff.tar.xz | |
Fix isIntN to work with APInts > 64 bits. This method is only
used by clang apparently.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60446 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
| -rw-r--r-- | include/llvm/ADT/APInt.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/include/llvm/ADT/APInt.h b/include/llvm/ADT/APInt.h index 1799b21b18..3c16b3841e 100644 --- a/include/llvm/ADT/APInt.h +++ b/include/llvm/ADT/APInt.h @@ -333,12 +333,14 @@ public: /// @brief Check if this APInt has an N-bits unsigned integer value. bool isIntN(uint32_t N) const { assert(N && "N == 0 ???"); - if (isSingleWord()) { + if (N >= getBitWidth()) + return true; + + if (isSingleWord()) return VAL == (VAL & (~0ULL >> (64 - N))); - } else { - APInt Tmp(N, getNumWords(), pVal); - return Tmp == (*this); - } + APInt Tmp(N, getNumWords(), pVal); + Tmp.zext(getBitWidth()); + return Tmp == (*this); } /// @brief Check if this APInt has an N-bits signed integer value. |