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25  
26  from . import Compiler
27  
28  class LLVM(Compiler):
29      def __init__(self, prod_mode):
30          super(LLVM, self).__init__(prod_mode)
31  
32          compile_flags_release = [
33              # fp-contract needed to generate FMA instructions
34              '-ffp-contract=fast',
35              #'-Ofast',
36              # '-march=native',
37              # '-fipa-pta',
38              # '-funsafe-loop-optimizations',
39              # '-flto=4',
40          ]
41  
42          link_flags_debug = ['-fuse-ld=ld']
43          link_flags_release = ['-fuse-ld=ld']
44  
45          llvm = {
46              'CC'      : 'clang',
47              'CXX'     : 'clang++',
48              'CFLAGS'  : link_flags_release,
49              'LDFLAGS' : link_flags_release
50          }
51  
52          self.Append(llvm)
53  
54