From 2b749571066384109c7602153d5dc25516a71d72 Mon Sep 17 00:00:00 2001 From: Benjamin Kramer Date: Sat, 18 Aug 2012 19:27:32 +0000 Subject: 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 --- lib/Transforms/Scalar/SimplifyLibCalls.cpp | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'lib/Transforms/Scalar/SimplifyLibCalls.cpp') 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; -- cgit v1.2.3