llvm/test
Ahmed Bougacha 8081057fca [MemCpyOpt] Turn memcpy from just-memset'd source into memset.
There's no point in copying around constants, so, when all else fails,
we can still transform memcpy of memset into two independent memsets.

To quote the example, we can turn:
  memset(dst1, c, dst1_size);
  memcpy(dst2, dst1, dst2_size);
into:
  memset(dst1, c, dst1_size);
  memset(dst2, c, dst2_size);
When dst2_size <= dst1_size.

Like r235232 for copy constructors, this can occur in move constructors.

Differential Revision: http://reviews.llvm.org/D9682


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237506 91177308-0d34-0410-b5e6-96231b3b80d8
2015-05-16 01:32:26 +00:00
..
Analysis [DependenceAnalysis] Fix for PR21585: collectUpperBound triggers asserts 2015-05-15 12:17:22 +00:00
Assembler IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
Bindings IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
Bitcode [BitcodeReader] Don't allow INSERTVAL/EXTRACTVAL with 0 indices 2015-05-16 00:33:12 +00:00
BugPoint IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
CodeGen [PPC64] Add vector pack/unpack support from ISA 2.07 2015-05-16 01:02:12 +00:00
DebugInfo [DebugInfo] Debug locations for constant SD nodes 2015-05-13 08:58:03 +00:00
ExecutionEngine [Orc] Reapply r236465 with fixes for the MSVC bots. 2015-05-05 17:37:18 +00:00
Feature [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
FileCheck FileCheck: Add CHECK-SAME 2015-02-26 04:53:00 +00:00
Instrumentation Fix the check strings in a test case committed in r212455. 2015-05-15 00:12:26 +00:00
Integer [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
JitListener IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
Linker Changed renaming of local symbols by inserting a dot vefore the numeric suffix. 2015-05-12 16:47:30 +00:00
LTO Revert changes to LTO test case since llvm-lto can't handle textual IR inputs 2015-04-24 18:13:27 +00:00
MC [PPC64] Add vector pack/unpack support from ISA 2.07 2015-05-16 01:02:12 +00:00
Object [llvm-readobj] Teach llvm-readobj to print PT_MIPS_ABIFLAGS program header 2015-05-15 15:59:22 +00:00
Other Let llc and opt override "-target-cpu" and "-target-features" via command line 2015-05-06 23:54:14 +00:00
SymbolRewriter SymbolRewriter: allow rewriting with comdats 2015-01-27 22:57:39 +00:00
TableGen Reverting r237234, "Use std::bitset for SubtargetFeatures" 2015-05-13 10:28:46 +00:00
tools [llvm-readobj] Teach llvm-readobj to print PT_MIPS_ABIFLAGS program header 2015-05-15 15:59:22 +00:00
Transforms [MemCpyOpt] Turn memcpy from just-memset'd source into memset. 2015-05-16 01:32:26 +00:00
Unit
Verifier Add function entry count metadata. 2015-05-13 15:13:45 +00:00
YAMLParser YAML: Implement block scalar parsing. 2015-05-13 23:10:51 +00:00
.clang-format
CMakeLists.txt Remove duplicate cmake target I added in r236792. 2015-05-08 16:59:53 +00:00
lit.cfg Add yaml-bench to the list of tools make check needs to run 2015-05-07 22:53:11 +00:00
lit.site.cfg.in test: Make a start on a test suite for libLTO. 2015-03-19 23:55:38 +00:00
Makefile test: Make a start on a test suite for libLTO. 2015-03-19 23:55:38 +00:00
Makefile.tests
TestRunner.sh