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6484ea55e4
llvm-mirror/lib
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Wei Mi 6484ea55e4 [GVN] Remove stale entries in phitranslate cache when new phi is generated for PRE 
When a new phi is generated for scalarpre of an expression, the phiTranslate cache
will become stale: Before PRE, the candidate expression must not be available in a
predecessor block, and phitranslate will cache the information. After PRE, the
expression will become available in all predecessor blocks, so the related entries
in phiTranslate cache becomes stale. The patch will simply remove the stale entries
so phiTranslate can be recomputed next time.

The stale entries in phitranslate cache will not affect correctness but will cause
missing PRE opportunity for later instructions.

Differential Revision: https://reviews.llvm.org/D36124

llvm-svn: 310421
2017-08-08 21:40:14 +00:00
..
Analysis BasicAA: assert on another case where aliasGEP shouldn't get a PartialAlias response 2017-08-08 21:25:26 +00:00
AsmParser Debug Info: Add a file: field to DIImportedEntity. 2017-07-19 00:09:54 +00:00
BinaryFormat Revert "Revert "Revert "Revert "Switch external cvtres.exe for llvm's own resource library."""" 2017-07-08 03:06:10 +00:00
Bitcode [ThinLTO] Add FunctionAttrs to ThinLTO index 2017-08-04 16:00:58 +00:00
CodeGen [codeview] Emit nested enums and typedefs from classes 2017-08-08 20:30:14 +00:00
DebugInfo [PDB] Fix linking of function symbols and local variables. 2017-08-08 18:34:44 +00:00
Demangle [ItaniumDemangle] Fix a exponential string copying bug 2017-05-28 23:24:52 +00:00
ExecutionEngine Delete Default and JITDefault code models 2017-08-03 02:16:21 +00:00
Fuzzer [libFuzzer] simplify code, NFC 2017-08-08 00:17:20 +00:00
IR Prevent unused warning in non-assert builds (introduced in r310014). 2017-08-04 05:05:29 +00:00
IRReader
LineEditor
Linker [Linker] Add directives to support mixing ARM/Thumb module-level inline asm. 2017-07-12 11:52:28 +00:00
LTO Delete Default and JITDefault code models 2017-08-03 02:16:21 +00:00
MC Don't pass the code model to MC 2017-08-02 20:32:26 +00:00
Object Don't pass the code model to MC 2017-08-02 20:32:26 +00:00
ObjectYAML [yaml2obj][ELF] Add support for program headers 2017-07-19 20:38:46 +00:00
Option [Bash-autocompletion] Show HelpText with possible flags 2017-07-26 13:36:58 +00:00
Passes Move the SampleProfileLoader right after EarlyFPM. 2017-08-07 20:23:20 +00:00
ProfileData Fix the bug when SampleProfileWriter writes out number of callsites. 2017-08-03 00:09:18 +00:00
Support [KnownBits][ValueTracking] Move the math for calculating known bits for add/sub into a static method in KnownBits object 2017-08-08 16:29:35 +00:00
TableGen [BinaryFormat, Option, TableGen] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes (NFC). 2017-06-16 00:43:26 +00:00
Target [AMDGPU] Add llvm.amdgpu.update.dpp intrinsic 2017-08-08 18:52:22 +00:00
Testing Mark LLVMTestingSupport as not installed in LLVMBuild. 2017-06-19 22:01:50 +00:00
ToolDrivers [llvm-dlltool] Map the "arm64" machine type 2017-08-06 19:58:13 +00:00
Transforms [GVN] Remove stale entries in phitranslate cache when new phi is generated for PRE 2017-08-08 21:40:14 +00:00
WindowsManifest Unlink nodes instead of copying, to avoid memory problems. 2017-07-26 18:33:21 +00:00
XRay Xray docs with description of Flight Data Recorder binary format. 2017-08-02 21:47:27 +00:00
CMakeLists.txt Move manifest utils into separate lib, to reduce libxml2 deps. 2017-07-26 01:21:55 +00:00
LLVMBuild.txt Move manifest utils into separate lib, to reduce libxml2 deps. 2017-07-26 01:21:55 +00:00