From b704d23062aa78b00999b75dcdcb628d4d84ee3f Mon Sep 17 00:00:00 2001 From: Preston Gurd Date: Mon, 27 May 2013 15:44:35 +0000 Subject: Convert sqrt functions into sqrt instructions when -ffast-math is in effect. When -ffast-math is in effect (on Linux, at least), clang defines __FINITE_MATH_ONLY__ > 0 when including . This causes the preprocessor to include , which renames the sqrt functions. For instance, "sqrt" is renamed as "__sqrt_finite". This patch adds the 3 new names in such a way that they will be treated as equivalent to their respective original names. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182739 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 3 +++ 1 file changed, 3 insertions(+) (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp') diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index aae11794eb..f6867840ae 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -5562,6 +5562,9 @@ void SelectionDAGBuilder::visitCall(const CallInst &I) { case LibFunc::sqrt: case LibFunc::sqrtf: case LibFunc::sqrtl: + case LibFunc::sqrt_finite: + case LibFunc::sqrtf_finite: + case LibFunc::sqrtl_finite: if (visitUnaryFloatCall(I, ISD::FSQRT)) return; break; -- cgit v1.2.3