Yonghong Song e8b3966318 bpf: print backward branch target properly ... Currently, it prints the backward branch offset as unsigned value like below: 7: 7d 34 0b 00 00 00 00 00 if r4 s>= r3 goto 11 <LBB0_3> 8: b7 00 00 00 00 00 00 00 r0 = 0 LBB0_2: 9: 07 00 00 00 01 00 00 00 r0 += 1 ...... 17: bf 31 00 00 00 00 00 00 r1 = r3 18: 6d 32 f6 ff 00 00 00 00 if r2 s> r3 goto 65526 <LBB0_3+0x7FFB0> The correct print insn 18 should be: 18: 6d 32 f6 ff 00 00 00 00 if r2 s> r3 goto -10 <LBB0_2> To provide better clarity and be consistent with kernel verifier output, the insn 7 output is changed to the following with "+" added to non-negative branch offset: 7: 7d 34 0b 00 00 00 00 00 if r4 s>= r3 goto +11 <LBB0_3> Signed-off-by: Yonghong Song <yhs@fb.com> Acked-by: Alexei Starovoitov <ast@kernel.org> llvm-svn: 318442		2017-11-16 19:15:36 +00:00
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BPFInstPrinter.cpp	bpf: print backward branch target properly	2017-11-16 19:15:36 +00:00
BPFInstPrinter.h	bpf: print backward branch target properly	2017-11-16 19:15:36 +00:00
CMakeLists.txt
LLVMBuild.txt