Displaying 2 results from an estimated 2 matches for "is_sorted_o1".
2019 Oct 19
3
Replicate Individual O3 optimizations
On Thu, Oct 17, 2019 at 11:22 AM David Greene via llvm-dev <
llvm-dev at lists.llvm.org> wrote:
> hameeza ahmed via llvm-dev <llvm-dev at lists.llvm.org> writes:
>
> > Hello,
> > I want to study the individual O3 optimizations. For this I am using
> > following commands, but unable to replicate O3 behavior.
> >
> > 1.
2019 Oct 24
2
Replicate Individual O3 optimizations
...ed.cpp -S -emit-llvm -o is_sorted_.ll
> clang is_sorted.cpp -O0 -S -emit-llvm -o is_sorted_O0.ll
> clang is_sorted.cpp -O0 -Xclang -disable-llvm-passes -S -emit-llvm -o is_sorted_disable.ll
>
> No difference in the prior three ll files.
>
> clang is_sorted.cpp -O1 -S -emit-llvm -o is_sorted_O1.ll
>
> Many differences between is_sorted_O1.ll and is_sorted_.ll.
>
> opt -O3 -S is_sorted_.ll -o is_sorted_optO3.ll
>
> clang is_sorted.cpp -mllvm -debug-pass=Arguments -O3 -S -emit-llvm -o is_sorted_O3arg.ll
> opt <optimization sequence obtained in prior step> -S is_so...