[llvm-dev] Clang command line to invoke LLVM flags

[Mehdi Amini via llvm-dev]

(+cfe-dev for clang question)
> On Aug 8, 2016, at 3:57 PM, Xiaochu Liu via llvm-dev <llvm-dev at lists.llvm.org> wrote:
> 
> Hi there,
> 
> I was wondering if there is a way to set llc flags in clang?
> 
In general no, in practice most development flags (accessible from opt/llc) are available using -mllvm -flag=value

> Like
> llc -mattr=+abc 
> How to set this subtarget in clang?
> 

Target attributes are accessible using the cc1 flag "-target-feature”, the equivalent to llc -mattr=“+abc” should be:

clang  -Xclang -target-feature -Xclang +abc 

— 
Mehdi

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