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Roger Ferrer Ibanez 7835f110cc [RISCV] Diagnose invalid second input register operand when using %tprel_add 
RISCVMCCodeEmitter::expandAddTPRel asserts that the second operand must be
x4/tp. As we are not currently checking this in the RISCVAsmParser, the assert
is easy to trigger due to wrong assembly input.

This patch does a late check of this constraint.

An alternative could be using a singleton register class for x4/tp similar to
the current one for sp. Unfortunately it does not result in a good diagnostic.
Because add is an overloaded mnemonic, if no matching is possible, the
diagnostic of the first failing alternative seems to be used as the diagnostic
itself. This means that this case the %tprel_add is diagnosed as an invalid
operand (because the real add instruction only has 3 operands).

Differential Revision: https://reviews.llvm.org/D60528

llvm-svn: 358183
2019-04-11 15:13:12 +00:00
benchmarks Pull google/benchmark library to the LLVM tree 2018-08-28 09:42:41 +00:00
bindings [LLVM-C] Correct The Current Debug Location Accessors (Again) 2019-04-10 14:19:05 +00:00
cmake [CMake] Fix accidentally swapped input/output parameters of string(REPLACE) for mingw 2019-04-09 08:31:25 +00:00
docs try to fix the sphinx build some more 2019-04-11 07:46:25 +00:00
examples [Kaleidoscope] Fix symbol resolver to search in reverse order. 2019-02-21 16:53:04 +00:00
include Use llvm::lower_bound. NFC 2019-04-11 10:25:41 +00:00
lib [RISCV] Diagnose invalid second input register operand when using %tprel_add 2019-04-11 15:13:12 +00:00
projects Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
resources
runtimes [runtime] Use --strip-all rather than --strip-sections 2019-03-10 04:26:54 +00:00
test [RISCV] Diagnose invalid second input register operand when using %tprel_add 2019-04-11 15:13:12 +00:00
tools Use llvm::lower_bound. NFC 2019-04-11 10:25:41 +00:00
unittests YAMLIO: Fix serialization of strings with embedded nuls 2019-04-11 14:57:34 +00:00
utils [llvm] [lit] Add target-x86* features 2019-04-11 14:58:39 +00:00
.arcconfig [llvm] Set up .arcconfig to point to Diffusion L repository 2018-01-12 15:37:41 +00:00
.clang-format
.clang-tidy Disable tidy checks with too many hits 2019-02-01 11:20:13 +00:00
.gitattributes [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
.gitignore [clangd] Store index in '.clangd/index' instead of '.clangd-index' 2019-02-20 19:08:06 +00:00
CMakeLists.txt [CMake] Move configuration of LLVM_CXX_STD to HandleLLVMOptions.cmake 2019-04-09 08:14:32 +00:00
CODE_OWNERS.TXT [llvm-mca] Move llvm-mca library to llvm/lib/MCA. 2018-12-17 08:08:31 +00:00
configure
CREDITS.TXT [NFC] Add to contributor list. 2019-02-26 05:46:45 +00:00
LICENSE.TXT Fix typos throughout the license files that somehow I and my reviewers 2019-01-21 09:52:34 +00:00
llvm.spec.in Update structured references to the license to the new license. 2019-01-19 11:30:51 +00:00
LLVMBuild.txt Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
README.txt Testing commit access 2019-02-19 20:38:51 +00:00
RELEASE_TESTERS.TXT Update the list of platforms & archs 2018-12-16 14:47:16 +00:00

README.txt 

The LLVM Compiler Infrastructure
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