Sam Elliott 3e53e0e4d4 [RISC-V] Add -msave-restore and -mno-save-restore to clang driver ... Summary: The GCC RISC-V toolchain accepts `-msave-restore` and `-mno-save-restore` to control whether libcalls are used for saving and restoring the stack within prologues and epilogues. Clang currently errors if someone passes -msave-restore or -mno-save-restore. This means that people need to change build configurations to use clang. This patch adds these flags, so that clang invocations can now match gcc. As the RISC-V backend does not currently have a `save-restore` target feature, we emit a warning if someone requests `-msave-restore`. LLVM does not error if we pass the (unimplemented) target features `+save-restore` or `-save-restore`. Reviewers: asb, luismarques 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, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D63498 llvm-svn: 364018		2019-06-21 10:03:31 +00:00
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ToolChains	[RISC-V] Add -msave-restore and -mno-save-restore to clang driver	2019-06-21 10:03:31 +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	[clang-ifs] Clang Interface Stubs, first version (second landing attempt).	2019-06-20 16:59:48 +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