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| author | Dan Gohman <gohman@apple.com> | 2010-11-17 02:44:44 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-11-17 02:44:44 +0000 |
| commit | 6678e7b6eb534b43b92105076e6d0553e5cf7def (patch) | |
| tree | 547878ba307aa707088bbea651834488cbae1d3f /include/llvm/Support/ConstantRange.h | |
| parent | 32df92dde60a027612880e4701ce1b0246d65eae (diff) | |
| download | llvm-6678e7b6eb534b43b92105076e6d0553e5cf7def.tar.gz llvm-6678e7b6eb534b43b92105076e6d0553e5cf7def.tar.bz2 llvm-6678e7b6eb534b43b92105076e6d0553e5cf7def.tar.xz | |
Memoize results from ScalarEvolution's getUnsignedRange and getSignedRange.
This fixes some extreme compile times on unrolled sha512 code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119455 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Support/ConstantRange.h')
| -rw-r--r-- | include/llvm/Support/ConstantRange.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/llvm/Support/ConstantRange.h b/include/llvm/Support/ConstantRange.h index 792b4107b1..c84e64ada9 100644 --- a/include/llvm/Support/ConstantRange.h +++ b/include/llvm/Support/ConstantRange.h @@ -47,6 +47,9 @@ public: /// explicit ConstantRange(uint32_t BitWidth, bool isFullSet = true); + /// Default constructor that creates an uninitialized ConstantRange. + ConstantRange() {} + /// Initialize a range to hold the single specified value. /// ConstantRange(const APInt &Value); |