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Andrea Di Biagio 7e32cc8353 [llvm-mca] Refactor some of the logic in InstrBuilder, and add a verifyOperands method. 
With this change, InstrBuilder emits an error if the MCInst sequence contains an
instruction with a variadic opcode, and a non-zero number of variadic operands.

Currently we don't know how to correctly analyze variadic opcodes. The problem
with variadic operands is that there is no information for them in the opcode
descriptor (i.e. MCInstrDesc). That means, we don't know which variadic operands
are defs, and which are uses.

In future, we could try to conservatively assume that any extra register
operands is both a register use and a register definition.

This patch fixes a subtle bug in the evaluation of read/write operands for ARM
VLD1 with implicit index update. Added test vld1-index-update.s

llvm-svn: 347503
 		2018-11-23 20:26:57 +00:00
clang Remove the optional dependency from libclang to clang-tidy/include-fixer 2018-11-23 15:02:33 +00:00
clang-tools-extra [clangd] Add support for hierarchical documentSymbol 2018-11-23 15:21:19 +00:00
compiler-rt Unbreak FreeBSD build. 2018-11-22 10:31:01 +00:00
debuginfo-tests Set config.lit_tools_dir, which is needed by lit.llvm.initialize. 2018-11-06 21:54:27 +00:00
libclc r600: Add datalayout to image builtin implementation 2018-11-10 21:43:40 +00:00
libcxx [NFC] Fix typo in comment 2018-11-22 19:10:28 +00:00
libcxxabi [CMake] Passthrough CFLAGS when checking the compiler-rt path 2018-11-14 00:09:26 +00:00
libunwind [CMake] Passthrough CFLAGS when checking the compiler-rt path 2018-11-14 00:09:26 +00:00
lld [LLD][ELF] - Simplify. NFCI. 2018-11-23 15:13:26 +00:00
lldb Revert r347491 as it's llvm counterpart breaks buildbots 2018-11-23 17:13:47 +00:00
llgo Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
llvm [llvm-mca] Refactor some of the logic in InstrBuilder, and add a verifyOperands method. 2018-11-23 20:26:57 +00:00
openmp [OPENMP][NVPTX]Improved lock/critical constructs. 2018-11-20 20:19:36 +00:00
parallel-libs Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
polly [CMake] Fix generation of exported targets in build directory 2018-11-06 15:18:17 +00:00
README.md Update the project name in README.md 2018-10-19 00:03:01 +00:00

README.md

The LLVM Compiler Infrastructure

This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.