[all-commits] [llvm/llvm-project] c99be9: [X86][DAGCombiner] Skip x87 fp80 values in `combin...

[Yingwei Zheng via All-commits]

  Branch: refs/heads/release/20.x
  Home:   https://github.com/llvm/llvm-project
  Commit: c99be9188631e5f5a21a0041d85385bd05659a3d
      https://github.com/llvm/llvm-project/commit/c99be9188631e5f5a21a0041d85385bd05659a3d
  Author: Yingwei Zheng <dtcxzyw2333 at gmail.com>
  Date:   2025-02-25 (Tue, 25 Feb 2025)

  Changed paths:
    M llvm/include/llvm/ADT/APFloat.h
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/lib/Support/APFloat.cpp
    M llvm/test/CodeGen/X86/fold-int-pow2-with-fmul-or-fdiv.ll

  Log Message:
  -----------
  [X86][DAGCombiner] Skip x87 fp80 values in `combineFMulOrFDivWithIntPow2` (#128618)

f80 is not a valid IEEE floating-point type.
Closes https://github.com/llvm/llvm-project/issues/128528.

(cherry picked from commit 44d1dbd24c20a0ee93063dcf44d68e2b8f0bf77c)



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