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1048572
2011 Oct 03
4
[LLVMdev] ld crashes with invalid pointer on Ubuntu 11.04 x86 when linking libgcc_s.so
...0000000 00:00 0
4011a000-4012d000 r-xp 00000000 08:03 1048635
/lib/i386-linux-gnu/libz.so.1.2.3.4
4012d000-4012e000 r--p 00012000 08:03 1048635
/lib/i386-linux-gnu/libz.so.1.2.3.4
4012e000-4012f000 rw-p 00013000 08:03 1048635
/lib/i386-linux-gnu/libz.so.1.2.3.4
4012f000-40131000 r-xp 00000000 08:03 1048972
/lib/i386-linux-gnu/libdl-2.13.so
40131000-40132000 r--p 00001000 08:03 1048972
/lib/i386-linux-gnu/libdl-2.13.so
40132000-40133000 rw-p 00002000 08:03 1048972
/lib/i386-linux-gnu/libdl-2.13.so
40133000-4028d000 r-xp 00000000 08:03 1048755
/lib/i386-linux-gnu/libc-2.13.so
4028d000-4028e000 ---p 001...
2015 Aug 22
2
loop unrolling introduces conditional branch
Hi,
I just tried llvm-3.8 (LLVM SVN Repository). With this version, -fno-rtti
can help me to compile my code and -irce can help me to do a better job for
loop unrolling. However, I still have one question. If I use Clang to
compile a piece of c++ code to .bc and then use 'opt -loop-rotate
-loop-unroll -irce', I can get what I want. I mean, there is no conditional
branch at the end of each