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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2012-08-18 19:27:32 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2012-08-18 19:27:32 +0000 |
| commit | 2b749571066384109c7602153d5dc25516a71d72 (patch) | |
| tree | 5ecbf8463988d7a680e50d62808a8084499fe2fe /lib/Transforms/Scalar/SimplifyLibCalls.cpp | |
| parent | b9d6b8449d245ee1607f6f197b29befbf8c41a1e (diff) | |
| download | llvm-2b749571066384109c7602153d5dc25516a71d72.tar.gz llvm-2b749571066384109c7602153d5dc25516a71d72.tar.bz2 llvm-2b749571066384109c7602153d5dc25516a71d72.tar.xz | |
SimplifyLibcalls: Add fabs and trunc to the list of libcalls that are safe to shrink from double to float.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162173 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/SimplifyLibCalls.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/SimplifyLibCalls.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/SimplifyLibCalls.cpp b/lib/Transforms/Scalar/SimplifyLibCalls.cpp index f110320c1b..3904419012 100644 --- a/lib/Transforms/Scalar/SimplifyLibCalls.cpp +++ b/lib/Transforms/Scalar/SimplifyLibCalls.cpp @@ -1641,6 +1641,8 @@ void SimplifyLibCalls::InitOptimizations() { Optimizations["llvm.exp2.f64"] = &Exp2; Optimizations["llvm.exp2.f32"] = &Exp2; + if (TLI->has(LibFunc::fabs) && TLI->has(LibFunc::fabsf)) + Optimizations["fabs"] = &UnaryDoubleFP; if (TLI->has(LibFunc::floor) && TLI->has(LibFunc::floorf)) Optimizations["floor"] = &UnaryDoubleFP; if (TLI->has(LibFunc::ceil) && TLI->has(LibFunc::ceilf)) @@ -1651,6 +1653,8 @@ void SimplifyLibCalls::InitOptimizations() { Optimizations["rint"] = &UnaryDoubleFP; if (TLI->has(LibFunc::nearbyint) && TLI->has(LibFunc::nearbyintf)) Optimizations["nearbyint"] = &UnaryDoubleFP; + if (TLI->has(LibFunc::trunc) && TLI->has(LibFunc::truncf)) + Optimizations["trunc"] = &UnaryDoubleFP; // Integer Optimizations Optimizations["ffs"] = &FFS; |