[all-commits] [llvm/llvm-project] 9b81db: [RISCV] Use source element type for the zero const...

[Craig Topper via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9b81db7b32f20d27e544c53512f9c3a4bc6bf871
      https://github.com/llvm/llvm-project/commit/9b81db7b32f20d27e544c53512f9c3a4bc6bf871
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2025-07-10 (Thu, 10 Jul 2025)

  Changed paths:
    M clang/include/clang/Basic/riscv_vector.td
    M clang/test/CodeGen/RISCV/rvv-intrinsics-autogenerated/non-policy/non-overloaded/vwcvt.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-autogenerated/non-policy/non-overloaded/vwcvtu.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-autogenerated/non-policy/overloaded/vwcvt.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-autogenerated/non-policy/overloaded/vwcvtu.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-autogenerated/policy/non-overloaded/vwcvt.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-autogenerated/policy/non-overloaded/vwcvtu.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-autogenerated/policy/overloaded/vwcvt.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-autogenerated/policy/overloaded/vwcvtu.c

  Log Message:
  -----------
  [RISCV] Use source element type for the zero constant in IR for vwcvt intrinsic. (#148023)

The vwcvt intrinsic produces a vwadd with a scalar 0 for the RHS. We
should be using the element type of the source so that the 0 needs to be
widened.

The i32->i64 vwcvt previously failed on RV32 because the legalization
code doesn't expect to see an i64 type.



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