yaxunl marked an inline comment as done.
yaxunl added inline comments.
================
Comment at: lib/Driver/ToolChains/Cuda.cpp:498-501
+ OptArgs.push_back(mcpustr);
+ OptArgs.push_back("-dce");
+ OptArgs.push_back("-sroa");
+ OptArgs.push_back("-globaldce");
----------------
yaxunl wrote:
> tra wrote:
> > This does not look like the right place to disable particular passes.
> > Shouldn't it be done somewhere in LLVM?
> These are not disabling the passes but adding these passes. They are some
> optimizations which are usually improving performance for amdgcn.
Since opt is now able to adjust passes based on -mtriple and -mcpu, will remove
these manually added passes and add -mtriple and -mcpu instead.
https://reviews.llvm.org/D45212
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