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7f476c0f6f
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Clement Courbet 7f476c0f6f [MergeICmps] MergeICmps is a new optimization pass that turns chains of integer 
comparisons into memcmp.

Thanks to recent improvements in the LLVM codegen, the memcmp is typically
inlined as a chain of efficient hardware comparisons.
This typically benefits C++ member or nonmember operator==().

For now this is disabled by default until:
 - https://bugs.llvm.org/show_bug.cgi?id=33329 is complete
 - Benchmarks show that this is always useful.

Differential Revision:
https://reviews.llvm.org/D33987

llvm-svn: 312315
2017-09-01 09:07:05 +00:00
..
Analysis [Analysis] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes. Also affected in files (NFC). 2017-08-31 21:56:16 +00:00
AsmParser Canonicalize the representation of empty an expression in DIGlobalVariableExpression 2017-08-30 18:06:51 +00:00
BinaryFormat [BinaryFormat] Fix out of bounds read. 2017-08-31 12:50:42 +00:00
Bitcode Canonicalize the representation of empty an expression in DIGlobalVariableExpression 2017-08-30 18:06:51 +00:00
CodeGen [MergeICmps] MergeICmps is a new optimization pass that turns chains of integer 2017-09-01 09:07:05 +00:00
DebugInfo [llvm-pdbutil] Print detailed S_UDT stats. 2017-08-31 20:43:22 +00:00
Demangle [ItaniumDemangle] Fix a exponential string copying bug 2017-05-28 23:24:52 +00:00
ExecutionEngine [Orc] Add a comment about member variable dependencies to OrcMCJITReplacement. 2017-08-31 01:09:56 +00:00
Fuzzer Moving libFuzzer from LLVM to compiler-rt. 2017-08-21 23:25:12 +00:00
FuzzMutate Re-apply "Introduce FuzzMutate library" 2017-08-21 22:57:06 +00:00
IR [IR] Missing changes for r312289 (NFC). 2017-08-31 22:06:09 +00:00
IRReader
LineEditor
Linker Linker: Create a function declaration when moving a non-prevailing alias of function type. 2017-08-10 01:07:44 +00:00
LTO Fix thinlto cache key computation for cfi-icall. 2017-08-09 23:24:07 +00:00
MC Untabify. 2017-08-28 06:47:47 +00:00
Object [WebAssembly] Fix getSymbolValue() for data symbols 2017-08-31 23:22:44 +00:00
ObjectYAML [yaml2obj][ELF] Make symbols optional for relocations 2017-08-30 23:13:31 +00:00
Option Revert "Revert r311552: [Bash-autocompletion] Add support for static analyzer flags" 2017-08-29 00:09:31 +00:00
Passes [PM] Switch the CGSCC debug messages to use the standard LLVM debug 2017-08-11 05:47:13 +00:00
ProfileData Fix the bug when SampleProfileWriter writes out number of callsites. 2017-08-03 00:09:18 +00:00
Support Untabify. 2017-08-28 06:47:47 +00:00
TableGen Untabify. 2017-08-28 06:47:47 +00:00
Target [AVX512] Suppress duplicate register only FMA patterns. 2017-09-01 07:58:16 +00:00
Testing Mark LLVMTestingSupport as not installed in LLVMBuild. 2017-06-19 22:01:50 +00:00
ToolDrivers Simplify writeArchive return type. 2017-08-30 22:11:03 +00:00
Transforms [MergeICmps] MergeICmps is a new optimization pass that turns chains of integer 2017-09-01 09:07:05 +00:00
WindowsManifest Revert "llvm-mt: Fix release of OutputDoc" 2017-08-31 05:32:36 +00:00
XRay [XRay][tools] Support new kinds of instrumentation map entries 2017-08-21 00:14:06 +00:00
CMakeLists.txt Moving libFuzzer from LLVM to compiler-rt. 2017-08-21 23:25:12 +00:00
LLVMBuild.txt Re-apply "Introduce FuzzMutate library" 2017-08-21 22:57:06 +00:00