[llvm] [AArch64][DAG] Port adde and sube combine to AArch64 (PR #202227)
via llvm-commits
llvm-commits at lists.llvm.org
Fri Jun 12 08:10:11 PDT 2026
github-actions[bot] wrote:
<!--PREMERGE ADVISOR COMMENT: Windows-->
# :window: Windows x64 Test Results
The build failed before running any tests. Click on a failure below to see the details.
<details>
<summary>[code=1] lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/AArch64ISelLowering.cpp.obj</summary>
```
FAILED: [code=1] lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/AArch64ISelLowering.cpp.obj
sccache C:\clang\clang-msvc\bin\clang-cl.exe /nologo -TP -DUNICODE -D_CRT_NONSTDC_NO_DEPRECATE -D_CRT_NONSTDC_NO_WARNINGS -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS -D_GLIBCXX_ASSERTIONS -D_HAS_EXCEPTIONS=0 -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_EXTENSIVE -D_SCL_SECURE_NO_DEPRECATE -D_SCL_SECURE_NO_WARNINGS -D_UNICODE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -IC:\_work\llvm-project\llvm-project\build\lib\Target\AArch64 -IC:\_work\llvm-project\llvm-project\llvm\lib\Target\AArch64 -IC:\_work\llvm-project\llvm-project\build\include -IC:\_work\llvm-project\llvm-project\llvm\include /DWIN32 /D_WINDOWS /Zc:inline /Zc:__cplusplus /Oi /Brepro /bigobj /permissive- -Werror=unguarded-availability-new /W4 -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported /Gw /O2 /Ob2 -std:c++17 -MD -UNDEBUG /EHs-c- /GR- /showIncludes /Folib\Target\AArch64\CMakeFiles\LLVMAArch64CodeGen.dir\AArch64ISelLowering.cpp.obj /Fdlib\Target\AArch64\CMakeFiles\LLVMAArch64CodeGen.dir\LLVMAArch64CodeGen.pdb -c -- C:\_work\llvm-project\llvm-project\llvm\lib\Target\AArch64\AArch64ISelLowering.cpp
C:\_work\llvm-project\llvm-project\llvm\lib\Target\AArch64\AArch64ISelLowering.cpp(22707,9): error: use of undeclared identifier 'Opcode'
22707 | Opcode = AArch64ISD::SBC;
| ^~~~~~
C:\_work\llvm-project\llvm-project\llvm\lib\Target\AArch64\AArch64ISelLowering.cpp(22710,9): error: use of undeclared identifier 'Opcode'
22710 | Opcode = AArch64ISD::ADC;
| ^~~~~~
C:\_work\llvm-project\llvm-project\llvm\lib\Target\AArch64\AArch64ISelLowering.cpp(22713,9): error: use of undeclared identifier 'Opcode'
22713 | Opcode = AArch64ISD::SBCS;
| ^~~~~~
C:\_work\llvm-project\llvm-project\llvm\lib\Target\AArch64\AArch64ISelLowering.cpp(22716,9): error: use of undeclared identifier 'Opcode'
22716 | Opcode = AArch64ISD::ADCS;
| ^~~~~~
C:\_work\llvm-project\llvm-project\llvm\lib\Target\AArch64\AArch64ISelLowering.cpp(22727,26): error: use of undeclared identifier 'Opcode'; did you mean 'encode'?
22727 | return DAG.getNode(Opcode, DL, N->getVTList(), N->getOperand(0), RHS,
| ^~~~~~
| encode
C:\_work\llvm-project\llvm-project\llvm\include\llvm/Support/Alignment.h(206,17): note: 'encode' declared here
206 | inline unsigned encode(MaybeAlign A) { return A ? A->ShiftValue + 1 : 0; }
| ^
C:\_work\llvm-project\llvm-project\llvm\lib\Target\AArch64\AArch64ISelLowering.cpp(22727,18): error: no matching member function for call to 'getNode'
22727 | return DAG.getNode(Opcode, DL, N->getVTList(), N->getOperand(0), RHS,
| ~~~~^~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/SelectionDAG.h(1284,20): note: candidate function not viable: no known conversion from 'unsigned int (MaybeAlign)' to 'unsigned int' for 1st argument
1284 | LLVM_ABI SDValue getNode(unsigned Opcode, const SDLoc &DL, SDVTList VTList,
| ^ ~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/SelectionDAG.h(1255,20): note: candidate function not viable: no known conversion from 'unsigned int (MaybeAlign)' to 'unsigned int' for 1st argument
1255 | LLVM_ABI SDValue getNode(unsigned Opcode, const SDLoc &DL, EVT VT, SDValue N1,
| ^ ~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/SelectionDAG.h(1262,20): note: candidate function not viable: no known conversion from 'unsigned int (MaybeAlign)' to 'unsigned int' for 1st argument
1262 | LLVM_ABI SDValue getNode(unsigned Opcode, const SDLoc &DL, EVT VT, SDValue N1,
| ^ ~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/SelectionDAG.h(1236,20): note: candidate function not viable: requires 5 arguments, but 6 were provided
1236 | LLVM_ABI SDValue getNode(unsigned Opcode, const SDLoc &DL, EVT VT,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1237 | ArrayRef<SDValue> Ops, const SDNodeFlags Flags);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/SelectionDAG.h(1238,20): note: candidate function not viable: requires 5 arguments, but 6 were provided
1238 | LLVM_ABI SDValue getNode(unsigned Opcode, const SDLoc &DL,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1239 | ArrayRef<EVT> ResultTys, ArrayRef<SDValue> Ops,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1240 | const SDNodeFlags Flags);
| ~~~~~~~~~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/SelectionDAG.h(1241,20): note: candidate function not viable: requires 5 arguments, but 6 were provided
1241 | LLVM_ABI SDValue getNode(unsigned Opcode, const SDLoc &DL, SDVTList VTList,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1242 | ArrayRef<SDValue> Ops, const SDNodeFlags Flags);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/SelectionDAG.h(1253,20): note: candidate function not viable: requires 5 arguments, but 6 were provided
1253 | LLVM_ABI SDValue getNode(unsigned Opcode, const SDLoc &DL, EVT VT, SDValue N1,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1254 | SDValue N2);
| ~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/SelectionDAG.h(1260,20): note: candidate function not viable: requires 5 arguments, but 6 were provided
1260 | LLVM_ABI SDValue getNode(unsigned Opcode, const SDLoc &DL, EVT VT,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1261 | SDValue Operand, const SDNodeFlags Flags);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/SelectionDAG.h(1282,20): note: candidate function not viable: requires 5 arguments, but 6 were provided
1282 | LLVM_ABI SDValue getNode(unsigned Opcode, const SDLoc &DL, SDVTList VTList,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1283 | SDValue N1, SDValue N2);
| ~~~~~~~~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/SelectionDAG.h(1264,20): note: candidate function not viable: requires 7 arguments, but 6 were provided
1264 | LLVM_ABI SDValue getNode(unsigned Opcode, const SDLoc &DL, EVT VT, SDValue N1,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1265 | SDValue N2, SDValue N3, const SDNodeFlags Flags);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/SelectionDAG.h(1266,20): note: candidate function not viable: requires 7 arguments, but 6 were provided
1266 | LLVM_ABI SDValue getNode(unsigned Opcode, const SDLoc &DL, EVT VT, SDValue N1,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1267 | SDValue N2, SDValue N3, SDValue N4);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/SelectionDAG.h(1286,20): note: candidate function not viable: requires 7 arguments, but 6 were provided
1286 | LLVM_ABI SDValue getNode(unsigned Opcode, const SDLoc &DL, SDVTList VTList,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1287 | SDValue N1, SDValue N2, SDValue N3, SDValue N4);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/SelectionDAG.h(1234,20): note: candidate function not viable: requires 4 arguments, but 6 were provided
1234 | LLVM_ABI SDValue getNode(unsigned Opcode, const SDLoc &DL, EVT VT,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1235 | ArrayRef<SDUse> Ops);
| ~~~~~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/SelectionDAG.h(1245,20): note: candidate function not viable: requires 4 arguments, but 6 were provided
1245 | LLVM_ABI SDValue getNode(unsigned Opcode, const SDLoc &DL, EVT VT,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1246 | ArrayRef<SDValue> Ops);
| ~~~~~~~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/SelectionDAG.h(1247,20): note: candidate function not viable: requires 4 arguments, but 6 were provided
1247 | LLVM_ABI SDValue getNode(unsigned Opcode, const SDLoc &DL,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1248 | ArrayRef<EVT> ResultTys, ArrayRef<SDValue> Ops);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/SelectionDAG.h(1249,20): note: candidate function not viable: requires 4 arguments, but 6 were provided
1249 | LLVM_ABI SDValue getNode(unsigned Opcode, const SDLoc &DL, SDVTList VTList,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1250 | ArrayRef<SDValue> Ops);
| ~~~~~~~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/SelectionDAG.h(1251,20): note: candidate function not viable: requires 4 arguments, but 6 were provided
1251 | LLVM_ABI SDValue getNode(unsigned Opcode, const SDLoc &DL, EVT VT,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1252 | SDValue Operand);
| ~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/SelectionDAG.h(1280,20): note: candidate function not viable: requires 4 arguments, but 6 were provided
1280 | LLVM_ABI SDValue getNode(unsigned Opcode, const SDLoc &DL, SDVTList VTList,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1281 | SDValue N);
| ~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/SelectionDAG.h(1268,20): note: candidate function not viable: requires 8 arguments, but 6 were provided
1268 | LLVM_ABI SDValue getNode(unsigned Opcode, const SDLoc &DL, EVT VT, SDValue N1,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1269 | SDValue N2, SDValue N3, SDValue N4,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1270 | const SDNodeFlags Flags);
| ~~~~~~~~~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/SelectionDAG.h(1271,20): note: candidate function not viable: requires 8 arguments, but 6 were provided
1271 | LLVM_ABI SDValue getNode(unsigned Opcode, const SDLoc &DL, EVT VT, SDValue N1,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1272 | SDValue N2, SDValue N3, SDValue N4, SDValue N5);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/SelectionDAG.h(1288,20): note: candidate function not viable: requires 8 arguments, but 6 were provided
1288 | LLVM_ABI SDValue getNode(unsigned Opcode, const SDLoc &DL, SDVTList VTList,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1289 | SDValue N1, SDValue N2, SDValue N3, SDValue N4,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1290 | SDValue N5);
| ~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/SelectionDAG.h(1259,20): note: candidate function not viable: requires 3 arguments, but 6 were provided
1259 | LLVM_ABI SDValue getNode(unsigned Opcode, const SDLoc &DL, EVT VT);
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/SelectionDAG.h(1279,20): note: candidate function not viable: requires 3 arguments, but 6 were provided
1279 | LLVM_ABI SDValue getNode(unsigned Opcode, const SDLoc &DL, SDVTList VTList);
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/SelectionDAG.h(1273,20): note: candidate function not viable: requires 9 arguments, but 6 were provided
1273 | LLVM_ABI SDValue getNode(unsigned Opcode, const SDLoc &DL, EVT VT, SDValue N1,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1274 | SDValue N2, SDValue N3, SDValue N4, SDValue N5,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1275 | const SDNodeFlags Flags);
| ~~~~~~~~~~~~~~~~~~~~~~~
6 errors generated.
```
</details>
If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.
https://github.com/llvm/llvm-project/pull/202227
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