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7349765ddb
llvm-6502/test
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Ahmed Bougacha 7349765ddb [MemCpyOpt] Optimize double-storing by memset+memcpy. 
A common idiom in some code is to do the following:

  memset(dst, 0, dst_size);
  memcpy(dst, src, src_size);

Some of the memset is redundant; instead, we can do:

  memcpy(dst, src, src_size);
  memset(dst + src_size, 0,
         dst_size <= src_size ? 0 : dst_size - src_size);

Original patch by: Joel Jones
Differential Revision: http://reviews.llvm.org/D498


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235232 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-17 22:20:57 +00:00
..
Analysis [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
Assembler [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
Bindings DebugInfo: Move new hierarchy into place 2015-03-03 17:24:31 +00:00
Bitcode [opaque pointer type] Explicit pointee type for call instruction 2015-04-17 06:40:14 +00:00
BugPoint bugpoint: Verify input files 2015-03-26 05:03:10 +00:00
CodeGen AArch64: Add test for returning [2 x i64] in registers. NFC. 2015-04-17 21:31:25 +00:00
DebugInfo DebugInfo: Fixup r235149 after IR change in r235145 2015-04-17 00:37:53 +00:00
ExecutionEngine [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +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
Instrumentation [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +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 DebugInfo: Move new hierarchy into place 2015-03-03 17:24:31 +00:00
Linker [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
LTO [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
MC Compute A-B when A or B is weak. 2015-04-17 21:15:17 +00:00
Object [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
Other [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
SymbolRewriter
TableGen Add support for v1i128 type. 2015-04-17 16:11:05 +00:00
tools For llvm-objdump, dump the (__OBJC,__protocol) section for Objc1 32-bit Mach-O files 2015-04-16 22:33:20 +00:00
Transforms [MemCpyOpt] Optimize double-storing by memset+memcpy. 2015-04-17 22:20:57 +00:00
Unit
Verifier [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
YAMLParser
.clang-format
CMakeLists.txt test: Fix the dependencies for the check-llvm-* targets 2015-03-25 08:07:47 +00:00
lit.cfg Tell lit.cfg about more Windows triples. 2015-03-20 22:08:40 +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