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llvm-mirror/lib
Juneyoung Lee d6be273bbc [ValueTracking] Let propagatesPoison support binops/unaryops/cast/etc.
Summary:
This patch makes propagatesPoison be more accurate by returning true on
more bin ops/unary ops/casts/etc.

The changed test in ScalarEvolution/nsw.ll was introduced by
a19edc4d15 .
IIUC, the goal of the tests is to show that iv.inc's SCEV expression still has
no-overflow flags even if the loop isn't in the wanted form.
It becomes more accurate with this patch, so think this is okay.

Reviewers: spatel, lebedev.ri, jdoerfert, reames, nikic, sanjoy

Reviewed By: spatel, nikic

Subscribers: regehr, nlopes, efriedma, fhahn, javed.absar, llvm-commits, hiraditya

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D78615
2020-05-13 02:51:42 +09:00
..
Analysis [ValueTracking] Let propagatesPoison support binops/unaryops/cast/etc. 2020-05-13 02:51:42 +09:00
AsmParser LLParser.h - remove unused ValueHandle.h include. NFC. 2020-05-09 15:08:48 +01:00
BinaryFormat XCOFF.h - replace StringRef.h include with forward declaration. NFC. 2020-04-23 13:52:48 +01:00
Bitcode [BitcodeReader] Simplify raw attribute handling (NFC) 2020-04-30 18:47:14 +02:00
Bitstream [Bitcode] reserve in front of push_back loops. NFCI. 2020-05-01 15:52:53 +02:00
CodeGen [CodeGen] Use Align in MachineConstantPool. 2020-05-12 10:06:40 -07:00
DebugInfo [DWARF5]: Added support for dumping strx forms in llvm-dwarfdump 2020-05-12 10:29:18 +05:30
Demangle
DWARFLinker Reland D79501 "[DebugInfo] Fix handling DW_OP_call_ref in DWARF64 units." 2020-05-08 09:35:54 -07:00
ExecutionEngine [ORC] Share ownership of JITDylibs between ExecutionSession and 2020-05-10 16:37:17 -07:00
Extensions Update compiler extension integration into the build system 2020-04-24 09:40:14 +02:00
Frontend [cmake] LLVMFrontendOpenMP - fix include/llvm/Frontend/OpenMP header path 2020-04-18 12:31:39 +01:00
Fuzzer
FuzzMutate FuzzerCLI.h - reduce StringRef.h include to forward declaration. NFC. 2020-05-12 13:03:50 +01:00
IR [NFC][DwarfDebug] Add test for variables with a single location which 2020-05-11 11:49:11 +02:00
IRReader
LineEditor
Linker [SVE] Add new VectorType subclasses 2020-04-22 08:59:01 -07:00
LTO [LTO] Suppress emission of empty combined module by default 2020-05-04 18:31:09 -07:00
MC [XCOFF][AIX] Emit correct alignment for csect 2020-05-11 19:43:10 +00:00
MCA [MCA][InstrBuilder] Correctly mark reserved resources in initializeUsedResources. 2020-05-10 19:25:54 +01:00
Object [Object] Remove unused variable after D79560. NFC. 2020-05-11 13:03:53 +08:00
ObjectYAML [PDB] Remove unique_ptr wrapper around C13 line table subsections 2020-05-02 16:35:07 -07:00
Option
Passes [PassBuilder] Moved ProfileSummaryAnalysis in buildInlinerPipeline. 2020-05-12 16:00:40 +00:00
ProfileData [gcov] Emit GCOV_TAG_OBJECT_SUMMARY/GCOV_TAG_PROGRAM_SUMMARY correctly and fix llvm-cov's decoding of runcount 2020-05-11 21:53:53 -07:00
Remarks RemarkStringTable.h - reduce StringRef/Remark includes to forward declarations. NFC 2020-05-08 12:30:49 +01:00
Support [FileCheck] Make invalid prefix diagnostics more precise 2020-05-11 21:11:58 -04:00
TableGen [TableGen] Simplify with TGParser::consume() 2020-04-26 15:26:49 -07:00
Target [X86] Remove the v16i8->v16i16 path for MULHS with AVX2. 2020-05-12 10:32:01 -07:00
Testing
TextAPI [cmake] Add headers in TextAPI/Elf and TextAPI/MachO subdirectories 2020-04-24 18:42:44 +01:00
ToolDrivers [COFF] Use Expected in COFFObjectFile creation 2020-05-08 14:22:28 -07:00
Transforms [ValueTracking] Let propagatesPoison support binops/unaryops/cast/etc. 2020-05-13 02:51:42 +09:00
WindowsManifest
XRay [Object] Change ObjectFile::getSymbolValue() return type to Expected<uint64_t> 2020-05-02 14:04:44 +08:00
CMakeLists.txt Update compiler extension integration into the build system 2020-04-24 09:40:14 +02:00
LLVMBuild.txt Update compiler extension integration into the build system 2020-04-24 09:40:14 +02:00