[llvm] [SelectionDAG][RISCV] Support STACK/PATCHPOINT in SoftenFloatOperand. (PR #165922)
LLVM Continuous Integration via llvm-commits
llvm-commits at lists.llvm.org
Sat Nov 1 00:20:59 PDT 2025
llvm-ci wrote:
LLVM Buildbot has detected a new failure on builder `sanitizer-aarch64-linux-bootstrap-hwasan` running on `sanitizer-buildbot11` while building `llvm` at step 2 "annotate".
Full details are available at: https://lab.llvm.org/buildbot/#/builders/55/builds/19439
<details>
<summary>Here is the relevant piece of the build log for the reference</summary>
```
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/main.py:74: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 92071 tests, 72 workers --
Testing: 0.. 10.. 20.. 30.. 40.
FAIL: LLVM :: CodeGen/RISCV/rv64-stackmap.ll (43637 of 92071)
******************** TEST 'LLVM :: CodeGen/RISCV/rv64-stackmap.ll' FAILED ********************
Exit Code: 2
Command Output (stdout):
--
# RUN: at line 1
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llc -mtriple=riscv64 < /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/CodeGen/RISCV/rv64-stackmap.ll | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/CodeGen/RISCV/rv64-stackmap.ll
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llc -mtriple=riscv64
# .---command stderr------------
# | llc: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp:3814: bool llvm::DAGTypeLegalizer::SoftPromoteHalfOperand(SDNode *, unsigned int): Assertion `Res.getNode() != N && "Expected a new node!"' failed.
# | PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and instructions to reproduce the bug.
# | Stack dump:
# | 0. Program arguments: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llc -mtriple=riscv64
# | 1. Running pass 'Function Pass Manager' on module '<stdin>'.
# | 2. Running pass 'RISC-V DAG->DAG Pattern Instruction Selection' on function '@floats'
# | #0 0x0000b893d328a870 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/Support/Unix/Signals.inc:834:13
# | #1 0x0000b893d3284c60 llvm::sys::RunSignalHandlers() /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/Support/Signals.cpp:105:18
# | #2 0x0000b893d328cc78 SignalHandler(int, siginfo_t*, void*) /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/Support/Unix/Signals.inc:426:38
# | #3 0x0000f67484a5d9c0 (linux-vdso.so.1+0x9c0)
# | #4 0x0000f6748438a460 (/lib/aarch64-linux-gnu/libc.so.6+0x8a460)
# | #5 0x0000f674843376c0 raise (/lib/aarch64-linux-gnu/libc.so.6+0x376c0)
# | #6 0x0000f67484321ac8 abort (/lib/aarch64-linux-gnu/libc.so.6+0x21ac8)
# | #7 0x0000f674843300dc (/lib/aarch64-linux-gnu/libc.so.6+0x300dc)
# | #8 0x0000b893d2f203d8 getValueType /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/include/llvm/CodeGen/SelectionDAGNodes.h:1116:20
# | #9 0x0000b893d2f203d8 getValueType /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/include/llvm/CodeGen/SelectionDAGNodes.h:1272:16
# | #10 0x0000b893d2f203d8 llvm::DAGTypeLegalizer::SoftPromoteHalfOperand(llvm::SDNode*, unsigned int) /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp:3816:14
# | #11 0x0000b893d2da977c llvm::DAGTypeLegalizer::run() /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp:369:9
# | #12 0x0000b893d2db52c8 llvm::SelectionDAG::LegalizeTypes() /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp:1054:34
# | #13 0x0000b893d2d733b8 ~TimeRegion /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/include/llvm/Support/Timer.h:168:9
# | #14 0x0000b893d2d733b8 llvm::SelectionDAGISel::CodeGenAndEmitDAG() /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:993:3
# | #15 0x0000b893d2d7097c llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&) /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1922:18
# | #16 0x0000b893d2d67c2c llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&) /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:628:7
# | #17 0x0000b893d2d607c0 llvm::SelectionDAGISelLegacy::runOnMachineFunction(llvm::MachineFunction&) /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:390:20
# | #18 0x0000b893d08909b0 llvm::MachineFunctionPass::runOnFunction(llvm::Function&) /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/CodeGen/MachineFunctionPass.cpp:0:10
# | #19 0x0000b893d17ca298 llvm::FPPassManager::runOnFunction(llvm::Function&) /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/IR/LegacyPassManager.cpp:0:27
# | #20 0x0000b893d17e0cb4 getNext /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/include/llvm/ADT/ilist_node_base.h:42:38
# | #21 0x0000b893d17e0cb4 getNext /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/include/llvm/ADT/ilist_node.h:108:59
# | #22 0x0000b893d17e0cb4 operator++ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/include/llvm/ADT/ilist_iterator.h:187:57
Step 11 (stage2/hwasan check) failure: stage2/hwasan check (failure)
...
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/main.py:74: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 92071 tests, 72 workers --
Testing: 0.. 10.. 20.. 30.. 40.
FAIL: LLVM :: CodeGen/RISCV/rv64-stackmap.ll (43637 of 92071)
******************** TEST 'LLVM :: CodeGen/RISCV/rv64-stackmap.ll' FAILED ********************
Exit Code: 2
Command Output (stdout):
--
# RUN: at line 1
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llc -mtriple=riscv64 < /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/CodeGen/RISCV/rv64-stackmap.ll | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/CodeGen/RISCV/rv64-stackmap.ll
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llc -mtriple=riscv64
# .---command stderr------------
# | llc: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp:3814: bool llvm::DAGTypeLegalizer::SoftPromoteHalfOperand(SDNode *, unsigned int): Assertion `Res.getNode() != N && "Expected a new node!"' failed.
# | PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and instructions to reproduce the bug.
# | Stack dump:
# | 0. Program arguments: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llc -mtriple=riscv64
# | 1. Running pass 'Function Pass Manager' on module '<stdin>'.
# | 2. Running pass 'RISC-V DAG->DAG Pattern Instruction Selection' on function '@floats'
# | #0 0x0000b893d328a870 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/Support/Unix/Signals.inc:834:13
# | #1 0x0000b893d3284c60 llvm::sys::RunSignalHandlers() /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/Support/Signals.cpp:105:18
# | #2 0x0000b893d328cc78 SignalHandler(int, siginfo_t*, void*) /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/Support/Unix/Signals.inc:426:38
# | #3 0x0000f67484a5d9c0 (linux-vdso.so.1+0x9c0)
# | #4 0x0000f6748438a460 (/lib/aarch64-linux-gnu/libc.so.6+0x8a460)
# | #5 0x0000f674843376c0 raise (/lib/aarch64-linux-gnu/libc.so.6+0x376c0)
# | #6 0x0000f67484321ac8 abort (/lib/aarch64-linux-gnu/libc.so.6+0x21ac8)
# | #7 0x0000f674843300dc (/lib/aarch64-linux-gnu/libc.so.6+0x300dc)
# | #8 0x0000b893d2f203d8 getValueType /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/include/llvm/CodeGen/SelectionDAGNodes.h:1116:20
# | #9 0x0000b893d2f203d8 getValueType /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/include/llvm/CodeGen/SelectionDAGNodes.h:1272:16
# | #10 0x0000b893d2f203d8 llvm::DAGTypeLegalizer::SoftPromoteHalfOperand(llvm::SDNode*, unsigned int) /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp:3816:14
# | #11 0x0000b893d2da977c llvm::DAGTypeLegalizer::run() /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp:369:9
# | #12 0x0000b893d2db52c8 llvm::SelectionDAG::LegalizeTypes() /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp:1054:34
# | #13 0x0000b893d2d733b8 ~TimeRegion /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/include/llvm/Support/Timer.h:168:9
# | #14 0x0000b893d2d733b8 llvm::SelectionDAGISel::CodeGenAndEmitDAG() /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:993:3
# | #15 0x0000b893d2d7097c llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&) /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1922:18
# | #16 0x0000b893d2d67c2c llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&) /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:628:7
# | #17 0x0000b893d2d607c0 llvm::SelectionDAGISelLegacy::runOnMachineFunction(llvm::MachineFunction&) /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:390:20
# | #18 0x0000b893d08909b0 llvm::MachineFunctionPass::runOnFunction(llvm::Function&) /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/CodeGen/MachineFunctionPass.cpp:0:10
# | #19 0x0000b893d17ca298 llvm::FPPassManager::runOnFunction(llvm::Function&) /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/IR/LegacyPassManager.cpp:0:27
# | #20 0x0000b893d17e0cb4 getNext /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/include/llvm/ADT/ilist_node_base.h:42:38
# | #21 0x0000b893d17e0cb4 getNext /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/include/llvm/ADT/ilist_node.h:108:59
# | #22 0x0000b893d17e0cb4 operator++ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/include/llvm/ADT/ilist_iterator.h:187:57
Step 14 (stage3/hwasan check) failure: stage3/hwasan check (failure)
...
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:531: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/main.py:74: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 88626 tests, 72 workers --
Testing: 0.. 10.. 20.. 30.. 40..
FAIL: LLVM :: CodeGen/RISCV/rv64-stackmap.ll (43634 of 88626)
******************** TEST 'LLVM :: CodeGen/RISCV/rv64-stackmap.ll' FAILED ********************
Exit Code: 2
Command Output (stdout):
--
# RUN: at line 1
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llc -mtriple=riscv64 < /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/CodeGen/RISCV/rv64-stackmap.ll | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/CodeGen/RISCV/rv64-stackmap.ll
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llc -mtriple=riscv64
# .---command stderr------------
# | llc: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp:3814: bool llvm::DAGTypeLegalizer::SoftPromoteHalfOperand(SDNode *, unsigned int): Assertion `Res.getNode() != N && "Expected a new node!"' failed.
# | PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and instructions to reproduce the bug.
# | Stack dump:
# | 0. Program arguments: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llc -mtriple=riscv64
# | 1. Running pass 'Function Pass Manager' on module '<stdin>'.
# | 2. Running pass 'RISC-V DAG->DAG Pattern Instruction Selection' on function '@floats'
# | #0 0x0000ab19e1bb1c6c llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llc+0x7a41c6c)
# | #1 0x0000ab19e1baf70c llvm::sys::RunSignalHandlers() (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llc+0x7a3f70c)
# | #2 0x0000ab19e1bb2a84 SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
# | #3 0x0000f195e00f09c0 (linux-vdso.so.1+0x9c0)
# | #4 0x0000f195dfada460 (/lib/aarch64-linux-gnu/libc.so.6+0x8a460)
# | #5 0x0000f195dfa876c0 raise (/lib/aarch64-linux-gnu/libc.so.6+0x376c0)
# | #6 0x0000f195dfa71ac8 abort (/lib/aarch64-linux-gnu/libc.so.6+0x21ac8)
# | #7 0x0000f195dfa800dc (/lib/aarch64-linux-gnu/libc.so.6+0x300dc)
# | #8 0x0000ab19e1a5f070 llvm::DAGTypeLegalizer::SoftPromoteHalfOperand(llvm::SDNode*, unsigned int) LegalizeFloatTypes.cpp:0:0
# | #9 0x0000ab19e19d769c llvm::DAGTypeLegalizer::run() LegalizeTypes.cpp:0:0
# | #10 0x0000ab19e19dc0c8 llvm::SelectionDAG::LegalizeTypes() (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llc+0x786c0c8)
# | #11 0x0000ab19e19c559c llvm::SelectionDAGISel::CodeGenAndEmitDAG() (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llc+0x785559c)
# | #12 0x0000ab19e19c43d4 llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llc+0x78543d4)
# | #13 0x0000ab19e19c18c4 llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llc+0x78518c4)
# | #14 0x0000ab19e19bf368 llvm::SelectionDAGISelLegacy::runOnMachineFunction(llvm::MachineFunction&) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llc+0x784f368)
# | #15 0x0000ab19e0cbe0c0 llvm::MachineFunctionPass::runOnFunction(llvm::Function&) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llc+0x6b4e0c0)
# | #16 0x0000ab19e12017b4 llvm::FPPassManager::runOnFunction(llvm::Function&) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llc+0x70917b4)
# | #17 0x0000ab19e1208e20 llvm::FPPassManager::runOnModule(llvm::Module&) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llc+0x7098e20)
# | #18 0x0000ab19e12020b0 llvm::legacy::PassManagerImpl::run(llvm::Module&) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llc+0x70920b0)
# | #19 0x0000ab19dee1ce28 compileModule(char**, llvm::LLVMContext&) llc.cpp:0:0
# | #20 0x0000ab19dee1aa64 main (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llc+0x4caaa64)
# | #21 0x0000f195dfa722dc (/lib/aarch64-linux-gnu/libc.so.6+0x222dc)
# | #22 0x0000f195dfa723bc __libc_start_main (/lib/aarch64-linux-gnu/libc.so.6+0x223bc)
```
</details>
https://github.com/llvm/llvm-project/pull/165922
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