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Jonas Paulsson 611b533f1d [SchedModel] Fix for read advance cycles with implicit pseudo operands. 
The SchedModel allows the addition of ReadAdvances to express that certain
operands of the instructions are needed at a later point than the others.

RegAlloc may add pseudo operands that are not part of the instruction
descriptor, and therefore cannot have any read advance entries. This meant
that in some cases the desired read advance was nullified by such a pseudo
operand, which still had the original latency.

This patch fixes this by making sure that such pseudo operands get a zero
latency during DAG construction.

Review: Matthias Braun, Ulrich Weigand.
https://reviews.llvm.org/D49671

llvm-svn: 345606
 		2018-10-30 15:04:40 +00:00
clang [AST] Only store data for the NRVO candidate in ReturnStmt if needed 2018-10-30 14:40:49 +00:00
clang-tools-extra [clangd] Use thread pool for background indexing. 2018-10-30 12:13:27 +00:00
compiler-rt Disable ASan test asan_and_llvm_coverage_test for NetBSD 2018-10-30 13:58:45 +00:00
debuginfo-tests Revert "(Retry) Add a basic integration test for C++ smart pointers" 2018-08-20 19:53:33 +00:00
libclc configure: Rework support for gfx9+ devices that were added post LLVM 3.9 2018-09-15 22:02:01 +00:00
libcxx Unify definition of _LIBCPP_BEGIN/END_NAMESPACE_STD 2018-10-30 02:02:00 +00:00
libcxxabi [libc++abi] Provide __cxa_thread_atexit on Fuchsia 2018-10-29 20:20:26 +00:00
libunwind [CMake] Link to compiler-rt if LIBUNWIND_USE_COMPILER_RT is ON. 2018-10-08 18:35:00 +00:00
lld [PPC64] Handle powerpc64 in OUTPUT_FORMAT. 2018-10-30 14:37:17 +00:00
lldb [x86] Fix issues with a realigned stack in MSVC compiled applications 2018-10-30 10:07:08 +00:00
llgo
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llvm [SchedModel] Fix for read advance cycles with implicit pseudo operands. 2018-10-30 15:04:40 +00:00
openmp remove duplicate omp_control_tool export to fix windows build 2018-10-25 11:04:01 +00:00
parallel-libs
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polly [TI removal] Generically discuss terminators rather than use the soon to 2018-10-18 07:43:30 +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.