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global_dat_x86_pie
2015 Nov 06
2
How does -fPIE get passed from clang to llc when run on a .ll file?
If I create an llvm IR file (.ll) using clang like this:
clang -v -emit-llvm -fPIC -O0 -S global_dat.c -o global_dat_x86_pic.ll
And then take a look at the resulting .ll file, I see near the bottom:
!0 = !{i32 1, !"PIC Level", i32 2}
Now if I do the same, but specify -fPIE:
clang -v -emit-llvm -fPIE -O0 -S global_dat.c -o global_dat_x86_pie.ll
And then look at the resulting global_dat_x86_pie.ll file...