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Difference when compiling human readable IR vs bitcode with clang frontend
2019 Jan 18
2
Difference when compiling human readable IR vs bitcode with clang frontend
...3.0 -emit-llvm-bc -fblocks -fencode-extended-block-signature -x ir test.ll -o test.bc clang -cc1 -triple x86_64-apple-macosx10.13.0 -emit-obj -fembed-bitcode=all -x ir test.bc -o test_bc.o # Extract and disassemble embedded bitcode from both scenarios. segedit test_bc.o -extract __LLVM __bitcode bc_bc.bc segedit test_ll.o -extract __LLVM __bitcode ll_bc.bc llvm-dis bc_bc.bc llvm-dis ll_bc.bc # Diff both IR files to show that only bc_bc.ll contains "llvm.compiler.used" diff bc_bc.ll ll_bc.ll - Dennis Frett -------------- next part -------------- A non-text attachment was scrubbed... N...
Difference when compiling human readable IR vs bitcode with clang frontend
2019 Jan 20
2
Difference when compiling human readable IR vs bitcode with clang frontend
...block-signature -x ir test.ll -o test.bc >> clang -cc1 -triple x86_64-apple-macosx10.13.0 -emit-obj -fembed- >> bitcode=all -x ir test.bc -o test_bc.o >> >> # Extract and disassemble embedded bitcode from both scenarios. >> segedit test_bc.o -extract __LLVM __bitcode bc_bc.bc >> segedit test_ll.o -extract __LLVM __bitcode ll_bc.bc >> llvm-dis bc_bc.bc >> llvm-dis ll_bc.bc >> >> # Diff both IR files to show that only bc_bc.ll contains >> "llvm.compiler.used" >> diff bc_bc.ll ll_bc.ll >> >> - Dennis Fret...