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Nemanja Ivanovic 6cc31ca814 [PowerPC] Do not emit record-form rotates when record-form andi suffices 
Up until Power9, the performance profile for rlwinm., rldicl. and andi. looked
more or less equivalent. However with Power9, the rotates are still 2-way
cracked whereas the and-immediate is not.

This patch just ensures that we don't emit record-form rotates when an andi.
is adequate.

As first pointed out by Carrot in https://bugs.llvm.org/show_bug.cgi?id=30833
(this patch is a fix for that PR).

Differential Revision: https://reviews.llvm.org/D43977

llvm-svn: 326736
 		2018-03-05 19:27:16 +00:00
..
Analysis Fix more spelling mistakes in comments of LLVM Analysis passes 2018-03-02 18:57:02 +00:00
AsmParser Make the LLParser accept call instructions of variables in the program AS 2018-02-27 11:15:11 +00:00
BinaryFormat Add DWARF for discriminated unions 2018-02-06 23:45:59 +00:00
Bitcode [DebugInfo] Support DWARF v5 source code embedding extension 2018-02-23 23:01:06 +00:00
CodeGen Fix an unused variable warning introduced by rr326703. NFC 2018-03-05 18:36:39 +00:00
DebugInfo [llvm-symbolizer] Use correct path when resolving .gnu_debuglink in .debug 2018-03-02 22:56:45 +00:00
Demangle Silence a bunch of implicit fallthrough warnings 2017-12-19 22:05:25 +00:00
ExecutionEngine [RuntimeDyld][MachO] Fix assertion in encodeAddend, add missing directive to 2018-03-01 01:44:33 +00:00
FuzzMutate [llvm-opt-fuzzer] Add another pack of passes for continuous fuzzing 2018-02-19 11:57:07 +00:00
Fuzzer [libFuzzer] Delete llvm/lib/Fuzzer 2017-10-16 20:48:19 +00:00
IR [PatternMatch, InstSimplify] fix m_NaN to work with vector constants and use it 2018-03-02 18:36:08 +00:00
IRReader LLParser: add an argument for overriding data layout and do not check alloca addr space 2018-01-30 22:32:39 +00:00
LTO [LTO] Support filtering by hotness threshold 2018-02-26 18:37:45 +00:00
LineEditor
…
Linker [ThinLTO] Revert r325320: Import global variables 2018-03-02 23:40:08 +00:00
MC [WebAssembly] Reorder reloc sections to come between symtab and name 2018-03-05 12:59:03 +00:00
Object [WebAssembly] Add validation to reloc section 2018-03-05 13:32:38 +00:00
ObjectYAML [WebAssembly] Remove DataSize from linking metadata section 2018-02-27 23:57:37 +00:00
Option [Bash-autocompletion] Pass all flags in shell command-line to Clang 2018-03-05 08:54:20 +00:00
Passes Another try to commit 323321 (aggressive instruction combine). 2018-01-25 12:06:32 +00:00
ProfileData [SampleProf] NFC. Expose reusable functionality in SampleProfile. 2018-02-22 06:42:57 +00:00
Support Revert r326723: Make STATISTIC() values available programmatically 2018-03-05 17:52:43 +00:00
TableGen TableGen: Resolve all template args simultaneously in ResolveMulticlassDefARgs 2018-03-05 15:21:19 +00:00
Target [PowerPC] Do not emit record-form rotates when record-form andi suffices 2018-03-05 19:27:16 +00:00
Testing Force #define GTEST_LANG_CXX11. 2017-10-27 21:12:28 +00:00
ToolDrivers [COFF] Keep the underscore on exported decorated stdcall functions in MSVC mode 2018-01-20 11:44:32 +00:00
Transforms [InstCombine] Don't blow up in foldICmpWithCastAndCast on vector icmp instructions. 2018-03-05 18:05:51 +00:00
WindowsManifest Fix bug 34608 by moving private header out of public header. 2017-09-14 23:01:13 +00:00
XRay [XRay] clarify error messages when parsing broken traces 2018-01-30 13:41:34 +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