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llvm-mirror/lib
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Simon Pilgrim ea4ee76d88 [DAG] computeKnownBits - add ISD::MULHS/MULHU/SMUL_LOHI/UMUL_LOHI handling 
Reuse the existing KnownBits multiplication code to handle the 'extend + multiply + extract high bits' pattern for multiply-high ops.

Noticed while looking at the codegen for D88785 / D98587 - the patch helps division-by-constant expansion code in particular, which suggests that we might have some further KnownBits div/rem cases we could handle - but this was far easier to implement.

Differential Revision: https://reviews.llvm.org/D98857
2021-03-19 16:02:31 +00:00
..
Analysis [SCEV] Add false->any implication 2021-03-19 11:29:48 +07:00
AsmParser [DebugInfo] Add DIArgList MD to store multple values in DbgVariableIntrinsics 2021-03-05 17:02:24 +00:00
BinaryFormat [WebAssembly] Add new relocation for location relative data 2021-03-08 11:34:10 -08:00
Bitcode [DebugInfo] Support DIArgList in DbgVariableIntrinsic 2021-03-08 14:36:13 +00:00
Bitstream
CodeGen [DAG] computeKnownBits - add ISD::MULHS/MULHU/SMUL_LOHI/UMUL_LOHI handling 2021-03-19 16:02:31 +00:00
DebugInfo [lld-link] emit an error when writing a PDB > 4 GiB 2021-03-17 15:15:08 -04:00
Demangle
DWARFLinker [llvm] Add assertions for the smart pointers with the possibility to be null in DWARFLinker::loadClangModule 2021-02-27 10:14:39 +03:00
ExecutionEngine [JITLink] Improve out-of-range error messages. 2021-03-17 21:35:24 -07:00
Extensions
FileCheck [FileCheck] Fix redundant diagnostics due to numeric errors 2021-03-17 19:25:41 -04:00
Frontend Revert "[OpenMP] Do not propagate match extensions to nested contexts" 2021-03-11 23:48:36 -06:00
Fuzzer
FuzzMutate
InterfaceStub [elfabi] Fix a bug when .dynsym contains no non-local symbol 2021-02-19 11:36:53 -08:00
IR Support intrinsic overloading on unnamed types 2021-03-19 14:34:25 +01:00
IRReader [SystemZ][z/OS] Distinguish between text and binary files on z/OS 2021-03-19 08:09:57 -04:00
LineEditor
Linker Support intrinsic overloading on unnamed types 2021-03-19 14:34:25 +01:00
LTO [LTO][MC] Discard non-prevailing defined symbols in module-level assembly 2021-03-18 15:33:42 -07:00
MC [LTO][MC] Discard non-prevailing defined symbols in module-level assembly 2021-03-18 15:33:42 -07:00
MCA [MCA] Ensure that writes occur in-order 2021-03-18 17:10:20 +03:00
Object [XCOFF][llvm-dwarfdump] llvm-dwarfdump support for XCOFF 2021-03-17 21:21:51 -04:00
ObjectYAML [ObjectYAML] Handle Hexagon V68 2021-03-17 21:43:35 -05:00
Option [clang][cli] NFC: Remove ArgList infrastructure for recording queries 2021-02-25 13:53:24 +01:00
Passes Remove original implementation of UniqueInternalLinkageNames pass. 2021-03-10 11:57:40 -08:00
ProfileData [CSSPGO] Add attribute metadata for context profile 2021-03-18 22:00:56 -07:00
Remarks Add intrinsics_gen as a dependency of libRemarks 2021-03-08 14:17:27 -08:00
Support [SystemZ][z/OS] Distinguish between text and binary files on z/OS 2021-03-19 08:09:57 -04:00
TableGen [TableGen] Improve handling of template arguments 2021-03-19 09:57:53 -04:00
Target [AMDGPU] Remove dead glc1 handing in asm parser. NFC. 2021-03-19 08:37:47 -07:00
Testing
TextAPI [lld-macho] Change loadReexport to handle the case where a TAPI re-exports to reference documents nested within other TBD. 2021-03-02 12:14:31 -05:00
ToolDrivers
Transforms [NFC] Move function up in code 2021-03-19 14:03:31 +07:00
WindowsManifest
XRay
CMakeLists.txt