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Sam Elliott 28145735f7 [RISCV] Avoid save-restore target feature warning 
Summary:
LLVM issues a warning if passed unknown target features. Neither I nor
@asb noticed this until after https://reviews.llvm.org/D63498 landed.

This patch stops passing the (unknown) "save-restore" target feature to
the LLVM backend, but continues to emit a warning if a driver asks for
`-msave-restore`. The default of assuming `-mno-save-restore` (and
emitting no warnings) remains.

Reviewers: asb

Reviewed By: asb

Subscribers: rbar, johnrusso, simoncook, apazos, sabuasal, niosHD, kito-cheng, shiva0217, jrtc27, zzheng, edward-jones, rogfer01, MartinMosbeck, brucehoult, the_o, rkruppe, PkmX, jocewei, psnobl, benna, Jim, cfe-commits, asb

Tags: #clang

Differential Revision: https://reviews.llvm.org/D64008

llvm-svn: 364777
 		2019-07-01 14:53:56 +00:00
..
ToolChains [RISCV] Avoid save-restore target feature warning 2019-07-01 14:53:56 +00:00
Action.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
CMakeLists.txt [PowerPC] [Clang] Port MMX intrinsics and basic test cases to Power 2019-04-23 05:50:24 +00:00
Compilation.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
DarwinSDKInfo.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Distro.cpp Debian: Add two missing version code in sid 2019-04-19 13:48:52 +00:00
Driver.cpp [Driver] Fix style issues of --print-supported-cpus after D63105 2019-06-29 01:24:36 +00:00
DriverOptions.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
InputInfo.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Job.cpp Fix unquoted spaces in args in clang --verbose output 2019-04-24 09:06:03 +00:00
Multilib.cpp [Driver] Support priority for multilibs 2019-04-27 00:25:11 +00:00
Phases.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
SanitizerArgs.cpp [asan] Add gcc 8's driver option -fsanitize=pointer-compare and -fsanitize=pointer-substract. 2019-04-12 14:14:58 +00:00
Tool.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
ToolChain.cpp [Driver] Change layout of per-target runtimes to resemble multiarch 2019-05-27 23:23:50 +00:00
Types.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
XRayArgs.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00