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Philip Reames 6bd16b5850 [SimplifyCFG] Fix a cost modeling oversight in branch commoning 
The cost modeling was not accounting for the fact we were duplicating the instruction once per predecessor.  With a default threshold of 1, this meant we were actually creating #pred copies.

Adding to the fun, there is *absolutely no* test coverage for this.  Simply bailing for more than one predecessor passes all checked in tests.

llvm-svn: 341001
 		2018-08-30 00:03:02 +00:00
clang [analyzer] Document that pointer arithmetic is not represented by SymExprs. 2018-08-29 22:57:52 +00:00
clang-tools-extra [clang-tidy] Add abseil-no-internal-dependencies check 2018-08-29 14:23:15 +00:00
compiler-rt [hwasan] remove even more stale code 2018-08-29 22:54:52 +00:00
debuginfo-tests Revert "(Retry) Add a basic integration test for C++ smart pointers" 2018-08-20 19:53:33 +00:00
libclc amdgcn: Use __constant AS for amdgcn builtins. 2018-08-03 15:14:08 +00:00
libcxx Last week, someone noted that a couple of the time_point member functions were not constexpr. I looked, and they were right. They were made constexpr in p0505, so I looked at all the other bits in that paper to make sure that I didn't miss anything else. There were a couple methods in the synopsis that should have been marked constexpr, but the code was correct. 2018-08-29 23:02:15 +00:00
libcxxabi Port my recent changes from LLVM copy of the demangler: 2018-08-24 23:30:26 +00:00
libunwind NFC: Test commit access 2018-08-16 16:55:07 +00:00
lld ELF: Don't examine values of linker script symbols during ICF. 2018-08-29 23:43:38 +00:00
lldb Refactor BreakpointResolver::SetSCMatchesByLine() to make it easier to 2018-08-29 23:16:42 +00:00
llgo Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
llvm [SimplifyCFG] Fix a cost modeling oversight in branch commoning 2018-08-30 00:03:02 +00:00
openmp [OPENMP][NVPTX] Replace assert() by ASSERT0() macro, NFC. 2018-08-29 19:22:06 +00:00
parallel-libs Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
polly [IR] Replace `isa<TerminatorInst>` with `isTerminator()`. 2018-08-26 09:51:22 +00:00
README.md
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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.