2828c57b6f
[CXX_FAST_TLS] fix issues with O0 on ARM, AArch64 and X86.
...
Since at O0, explicit copies via SplitCSR may not be removed even if
they are unnecessary, we choose not to use SplitCSR at O0.
llvm-svn: 263855
2016-03-18 23:38:49 +00:00
e5f807f928
CXX_FAST_TLS calling convention: fix issue on ARM.
...
When we have a single basic block, the explicit copy-back instructions should
be inserted right before the terminator. Before this fix, they were wrongly
placed at the beginning of the basic block.
PR26136
llvm-svn: 257930
2016-01-15 20:24:11 +00:00
5e9e65e705
CXX_FAST_TLS calling convention: performance improvement for ARM.
...
This is the same change on ARM as r255821 on AArch64.
rdar://9001553
llvm-svn: 257424
2016-01-12 00:47:18 +00:00
1602605bf8
CXX_FAST_TLS calling convention: Add support for ARM on Darwin.
...
rdar://9001553
llvm-svn: 257417
2016-01-11 23:50:43 +00:00
Manman Ren