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Author SHA1 Message Date
Mehdi Amini 6aa9e9b41a IRGen: Add optnone attribute on function during O0 
Amongst other, this will help LTO to correctly handle/honor files
compiled with O0, helping debugging failures.
It also seems in line with how we handle other options, like how
-fnoinline adds the appropriate attribute as well.

Differential Revision: https://reviews.llvm.org/D28404

llvm-svn: 304127
 2017-05-29 05:38:20 +00:00
Tim Northover 58672974a9 ARM & AArch64: convert asm tests to LLVM IR and restrict optimizations. 
This is mostly a one-time autoconversion of tests that checked assembly after
"-Owhatever" compiles to only run "opt -mem2reg" and check the assembly. This
should make them much more stable to changes in LLVM so they won't break on
unrelated changes.

"opt -mem2reg" is a compromise designed to increase the readability of tests
that check dataflow, while minimizing dependency on LLVM. Hopefully mem2reg is
stable enough that no surpises will come along.

Should address http://llvm.org/PR26815.

llvm-svn: 263048
 2016-03-09 18:54:42 +00:00
Joey Gouly 1e8637b259 [ARMv8] Add builtins for CRC instructions. 
Patch by Bradley Smith!

llvm-svn: 190931
 2013-09-18 10:07:09 +00:00