[all-commits] [llvm/llvm-project] 20b9ed: [RISCV][ISel] Fix types in `tryFoldSelectIntoOp` (...

[Yingwei Zheng via All-commits]

  Branch: refs/heads/release/18.x
  Home:   https://github.com/llvm/llvm-project
  Commit: 20b9ed64ea074f03057e1d775a1d9d0f067ab0b0
      https://github.com/llvm/llvm-project/commit/20b9ed64ea074f03057e1d775a1d9d0f067ab0b0
  Author: Yingwei Zheng <dtcxzyw2333 at gmail.com>
  Date:   2024-05-01 (Wed, 01 May 2024)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVISelLowering.cpp
    A llvm/test/CodeGen/RISCV/pr90652.ll

  Log Message:
  -----------
  [RISCV][ISel] Fix types in `tryFoldSelectIntoOp` (#90659)

```
SelectionDAG has 17 nodes:
  t0: ch,glue = EntryToken
    t6: i64,ch = CopyFromReg t0, Register:i64 %2
  t8: i1 = truncate t6
          t4: i64,ch = CopyFromReg t0, Register:i64 %1
        t7: i1 = truncate t4
            t2: i64,ch = CopyFromReg t0, Register:i64 %0
          t10: i64,i1 = saddo t2, Constant:i64<1>
        t11: i1 = or t8, t10:1
      t12: i1 = select t7, t8, t11
    t13: i64 = any_extend t12
  t15: ch,glue = CopyToReg t0, Register:i64 $x10, t13
  t16: ch = RISCVISD::RET_GLUE t15, Register:i64 $x10, t15:1
```

`OtherOpVT` should be i1, but `OtherOp->getValueType(0)` returns `i64`,
which ignores `ResNo` in `SDValue`.

Fix https://github.com/llvm/llvm-project/issues/90652.

(cherry picked from commit 2647bd73696ae987addd0e74774a44108accb1e6)



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