[llvm-commits] [llvm] r160919 - in /llvm/trunk: include/llvm/Target/TargetInstrInfo.h lib/CodeGen/PeepholeOptimizer.cpp lib/Target/X86/X86InstrInfo.cpp lib/Target/X86/X86InstrInfo.h test/CodeGen/X86/2012-05-19-avx2-store.ll test/CodeGen/X86/break-sse-dep.ll test/CodeGen/X86/fold-load.ll test/CodeGen/X86/fold-pcmpeqd-1.ll test/CodeGen/X86/sse-minmax.ll test/CodeGen/X86/vec_compare.ll

[Benjamin Kramer]

On 28.07.2012, at 23:03, Eric Christopher <echristo at apple.com> wrote:

> 
> On Jul 28, 2012, at 1:58 PM, Manman Ren <mren at apple.com> wrote:
> 
>> This seems to be breaking the dragonegg bots:
>> make[4]: *** [_divdc3.o] Error 1
>> ../../../../gcc.src/libgcc/../gcc/libgcc2.c: In function ‘__divxc3’:
>> ../../../../gcc.src/libgcc/../gcc/libgcc2.c:1944:1: error: too many outgoing branch edges from bb 98
>> ../../../../gcc.src/libgcc/../gcc/libgcc2.c:1944:1: error: too many outgoing branch edges from bb 94
>> ../../../../gcc.src/libgcc/../gcc/libgcc2.c:1944:1: error: too many outgoing branch edges from bb 85
>> ../../../../gcc.src/libgcc/../gcc/libgcc2.c:1944:1: error: too many outgoing branch edges from bb 81
>> ../../../../gcc.src/libgcc/../gcc/libgcc2.c:1944:1: error: too many outgoing branch edges from bb 77
>> ../../../../gcc.src/libgcc/../gcc/libgcc2.c:1944:1: error: too many outgoing branch edges from bb 73
>> ../../../../gcc.src/libgcc/../gcc/libgcc2.c:1944:1: error: too many outgoing branch edges from bb 69
>> ../../../../gcc.src/libgcc/../gcc/libgcc2.c:1944:1: error: too many outgoing branch edges from bb 66
>> ../../../../gcc.src/libgcc/../gcc/libgcc2.c:1944:1: error: too many outgoing branch edges from bb 57
>> ../../../../gcc.src/libgcc/../gcc/libgcc2.c:1944:1: error: too many outgoing branch edges from bb 53
>> ../../../../gcc.src/libgcc/../gcc/libgcc2.c:1944:1: error: too many outgoing branch edges from bb 44
>> ../../../../gcc.src/libgcc/../gcc/libgcc2.c:1944:1: error: too many outgoing branch edges from bb 40
>> ../../../../gcc.src/libgcc/../gcc/libgcc2.c:1944:1: error: too many outgoing branch edges from bb 36
>> ../../../../gcc.src/libgcc/../gcc/libgcc2.c:1944:1: error: too many outgoing branch edges from bb 32
>> ../../../../gcc.src/libgcc/../gcc/libgcc2.c:1944:1: error: too many outgoing branch edges from bb 28
>> ../../../../gcc.src/libgcc/../gcc/libgcc2.c:1944:1: error: too many outgoing branch edges from bb 25
>> ../../../../gcc.src/libgcc/../gcc/libgcc2.c:1944:1: error: too many outgoing branch edges from bb 18
>> ../../../../gcc.src/libgcc/../gcc/libgcc2.c:1944:1: error: too many outgoing branch edges from bb 14
>> ../../../../gcc.src/libgcc/../gcc/libgcc2.c:1944:1: error: too many outgoing branch edges from bb 8
>> ../../../../gcc.src/libgcc/../gcc/libgcc2.c:1944:1: error: too many outgoing branch edges from bb 6
>> ../../../../gcc.src/libgcc/../gcc/libgcc2.c:1944:1: internal compiler error: verify_flow_info failed
>> Please submit a full bug report,
>> 
>> 
>> I am not sure how to fix this. Thanks,
>> 
> 
> Looks like it's miscompiling gcc itself, Duncan may be able to help you get a testcase, but you'll probably want to revert in the meantime.

Looks like it also breaks clang selfhost, you may want to try that as it's easier to set up than a full dragonegg selfhost.

http://bb.pgr.jp/builders/clang-3stage-x86_64-linux/builds/603

- Ben