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3 Commits

Author SHA1 Message Date
George Rimar 1452f485e2 [ELF] - Fixed handling R_X86_64_DTPOFF64 relocation relaxation 
R_X86_64_DTPOFF64 was not handled properly.
Next sample app was impossible to link before this patch:

~/pg/release/bin/clang -target x86_64-pc-linux testthread.cpp -c -g
~/pg/d+a/bin/ld.lld testthread.o 
"Unknown TLS optimization" (value was 17)

__thread int x = 0;
void _start() {
}

It works fine now.

Differential revision: http://reviews.llvm.org/D18039

llvm-svn: 263150
 2016-03-10 18:57:17 +00:00
George Rimar 6713cf8a52 [ELF] - Implemented optimizations for @tlsld and @tlsgd 
Implements @tlsld (LD to LE) and @tlsgd (GD to LE) optimizations.
Patch does not implement the GD->IE case for @tlsgd.

Differential revision: http://reviews.llvm.org/D14870

llvm-svn: 254101
 2015-11-25 21:46:05 +00:00
George Rimar 77d1cb1ddf [ELF2] - Optimization for R_X86_64_GOTTPOFF relocation. 
R_X86_64_GOTTPOFF is not always requires GOT entries. Some relocations can be converted to local ones.

Differential revision: http://reviews.llvm.org/D14713

llvm-svn: 253966
 2015-11-24 09:00:06 +00:00