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202b6045bf
llvm-6502/test
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Bill Schmidt 202b6045bf [PowerPC] Implement the vclz instructions for PWR8 
Patch by Kit Barton.

Add the vector count leading zeros instruction for byte, halfword,
word, and doubleword sizes.  This is a fairly straightforward addition
after the changes made for vpopcnt:

 1. Add the correct definitions for the various instructions in
    PPCInstrAltivec.td
 2. Make the CTLZ operation legal on vector types when using P8Altivec
    in PPCISelLowering.cpp 

Test Plan

Created new test case in test/CodeGen/PowerPC/vec_clz.ll to check the
instructions are being generated when the CTLZ operation is used in
LLVM.

Check the encoding and decoding in test/MC/PowerPC/ppc_encoding_vmx.s
and test/Disassembler/PowerPC/ppc_encoding_vmx.txt respectively.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228301 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-05 15:24:47 +00:00
..
Analysis [PM] Change the core design of the TTI analysis to use a polymorphic 2015-01-31 03:43:40 +00:00
Assembler AsmParser: Recognize DW_TAG_* constants 2015-02-03 21:56:01 +00:00
Bindings Propagate a better error message to the C api. 2015-02-03 01:53:03 +00:00
Bitcode Check bit widths before trying to get a type. 2015-01-30 18:13:50 +00:00
BugPoint IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
CodeGen [PowerPC] Implement the vclz instructions for PWR8 2015-02-05 15:24:47 +00:00
DebugInfo Debug Info: Relax assertion in isUnsignedDIType() to allow floats to be 2015-02-02 18:31:58 +00:00
ExecutionEngine [Orc] Make OrcMCJITReplacement::addObject calls transfer buffer ownership to the 2015-02-02 19:51:18 +00:00
Feature IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
FileCheck
Instrumentation [sanitizer] add another workaround for PR 17409: when over a threshold emit coverage instrumentation as calls. 2015-02-04 01:21:45 +00:00
Integer
JitListener IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
Linker Utils: Resolve cycles under distinct MDNodes 2015-02-04 19:44:34 +00:00
LTO Introduce llvm/test/LTO/X86. LTO tests may be assumed as target-specific. 2015-01-30 10:09:26 +00:00
MC [PowerPC] Implement the vclz instructions for PWR8 2015-02-05 15:24:47 +00:00
Object [ELFYAML] Provide default value 0 for YAML relocation addendum field 2015-01-29 06:56:24 +00:00
Other [PM] Teach the module-to-function adaptor to not run function passes 2015-02-01 10:47:25 +00:00
SymbolRewriter SymbolRewriter: allow rewriting with comdats 2015-01-27 22:57:39 +00:00
TableGen
tools Add code to llvm-objdump so the -section option with -macho will dump ‘C’ string 2015-02-04 21:38:42 +00:00
Transforms Teach isDereferenceablePointer() to look through bitcast constant expressions. 2015-02-05 09:15:37 +00:00
Unit
Verifier Fix statepoint verifier tests to actually test verifier. 2015-01-30 23:18:42 +00:00
YAMLParser
.clang-format
CMakeLists.txt
lit.cfg Remove a gross usage of environment variables in MachineVerifier, replacing it with support for setting the -verify-machineinstrs flag via an environment variable in LIT. 2015-02-04 00:02:59 +00:00
lit.site.cfg.in Reverting r226937: lit: Make MCJIT's supported arch check case insensitive 2015-01-24 01:42:44 +00:00
Makefile
Makefile.tests
TestRunner.sh