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| author | dim <dim@FreeBSD.org> | 2011-06-12 18:01:31 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2011-06-12 18:01:31 +0000 |
| commit | d4c7939beafe09c033866ebd290e274af0cc826d (patch) | |
| tree | a9b264321873e7d25e69b8671c9f705ebc6d30ee /contrib/llvm/lib/Analysis/ConstantFolding.cpp | |
| parent | b164882ef981a8ed5c085469231831e221fa1323 (diff) | |
| parent | ece02cd5829cea836e9365b0845a8ef042d17b0a (diff) | |
| download | FreeBSD-src-d4c7939beafe09c033866ebd290e274af0cc826d.zip FreeBSD-src-d4c7939beafe09c033866ebd290e274af0cc826d.tar.gz | |
Upgrade our copy of llvm/clang to r132879, from upstream's trunk.
Diffstat (limited to 'contrib/llvm/lib/Analysis/ConstantFolding.cpp')
| -rw-r--r-- | contrib/llvm/lib/Analysis/ConstantFolding.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/contrib/llvm/lib/Analysis/ConstantFolding.cpp b/contrib/llvm/lib/Analysis/ConstantFolding.cpp index 5de2b04..08a6065 100644 --- a/contrib/llvm/lib/Analysis/ConstantFolding.cpp +++ b/contrib/llvm/lib/Analysis/ConstantFolding.cpp @@ -1085,7 +1085,7 @@ llvm::canConstantFoldCallTo(const Function *F) { case 'c': return Name == "cos" || Name == "ceil" || Name == "cosf" || Name == "cosh"; case 'e': - return Name == "exp"; + return Name == "exp" || Name == "exp2"; case 'f': return Name == "fabs" || Name == "fmod" || Name == "floor"; case 'l': @@ -1221,6 +1221,12 @@ llvm::ConstantFoldCall(Function *F, case 'e': if (Name == "exp") return ConstantFoldFP(exp, V, Ty); + + if (Name == "exp2") { + // Constant fold exp2(x) as pow(2,x) in case the host doesn't have a + // C99 library. + return ConstantFoldBinaryFP(pow, 2.0, V, Ty); + } break; case 'f': if (Name == "fabs") |
