search for: myltoopt

...I can't >> install it on Mac. > > > I am not sure if there is a supported way of passing extra llvm > options during LTO with ld64. You can pass options with -mllvm. But you need to get it to the linker, so when invoking the linker through clang it looks like: -Wl,-llvm,-myltoopt That will get it to lto_codegen_debug_options(). But I don’t know what options strings lto_codegen_debug_options() handles. -Nick

Hi, I'm building LLVM on Mac OS 10.10 and I'm having trouble making LTO work. The system linker dumps the following information when I executed "ld -v" @(#)PROGRAM:ld PROJECT:ld64-241.9 configured to support archs: armv6 armv7 armv7s arm64 i386 x86_64 x86_64h armv6m armv7m armv7em LTO support using: LLVM version 3.4.2 which tells me that it is correctly pointing to the LLVM