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Craig Topper b0e986f88e [X86] Pass the parent SDNode to X86DAGToDAGISel::selectScalarSSELoad to simplify the hasSingleUseFromRoot handling. 
Some of the calls to hasSingleUseFromRoot were passing the load itself. If the load's chain result has a user this would count against that. By getting the true parent of the match and ensuring any intermediate between the match and the load have a single use we can avoid this case. isLegalToFold will take care of checking users of the load's data output.

This fixed at least fma-scalar-memfold.ll to succed without the peephole pass.

llvm-svn: 334908
 		2018-06-17 16:29:46 +00:00
clang [analyzer] Add method to the generic SMT API to dump the SMT formula 2018-06-16 14:36:17 +00:00
clang-tools-extra [clang-tidy] This patch is a fix for D45405 where spaces were mistakenly considered as a part of a type name. So length("int *") was 5 instead of 3 with RemoveStars=0 or 4 with RemoveStars=1 2018-06-15 13:35:40 +00:00
compiler-rt Revert "[CMake] Use a different source depending on C++ support" 2018-06-17 09:51:33 +00:00
debuginfo-tests [debuginfo-tests] Always use the system python to invoke llgdb.py. 2018-06-10 19:38:26 +00:00
libclc r600/fmin: Flush denormals before calling builtin. 2018-06-07 20:27:58 +00:00
libcxx Remove P0771, which was not passed in Rapperswil 2018-06-16 18:03:29 +00:00
libcxxabi private_typeinfo: limit is_dst_type_derived_from_static_type optimization 2018-05-18 20:51:38 +00:00
libunwind [OR1K] Add the EPCR special-purpose register to register state. 2018-05-16 19:09:48 +00:00
lld [ELF] Pass callables by function_ref 2018-06-16 12:11:34 +00:00
lldb Sort the files in the PBXBuildFile and PBXFileReference sections 2018-06-15 23:32:37 +00:00
llgo irgen: Create functions instead of global variables for builtin hash and equal algorithms. 2017-06-04 22:11:28 +00:00
llvm [X86] Pass the parent SDNode to X86DAGToDAGISel::selectScalarSSELoad to simplify the hasSingleUseFromRoot handling. 2018-06-17 16:29:46 +00:00
openmp [OpenMP] Fix formatting issues in kmp_stats.h 2018-06-08 22:27:53 +00:00
parallel-libs [Axccel] Remove -Wno-missing-braces in build 2016-12-19 21:34:07 +00:00
polly Adjust to recent LLVM changes to fix buildbots 2018-06-16 17:38:19 +00:00
README.md Add an svn project to contain the files that appear at the root of the 2017-10-19 21:09:49 +00:00

README.md

Low Level Virtual Machine (LLVM)

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