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(parent: d94399c) | patch
DAG: Remove hasBitPreservingFPLogic
authorMatt Arsenault <Matthew.Arsenault@amd.com>
Tue, 24 Jan 2023 01:19:57 +0000 (21:19 -0400)
committerMatt Arsenault <arsenm2@gmail.com>
Tue, 14 Feb 2023 14:25:24 +0000 (10:25 -0400)
commit09dd4d870e192da73594b713bb201859e5a09efb
tree827672b97e8c4ec45421b95c9a6b4afea5d79526tree | snapshot
parentd94399c641518802f6e1f3568a9982483f1eafa5commit | diff
DAG: Remove hasBitPreservingFPLogic

This doesn't make sense as an option. fneg and fabs are bit
preserving by definition. If a target has some fneg or fabs
instruction that are not bitpreserving it's incorrect to lower
fneg/fabs to use it.
16 files changed:
llvm/include/llvm/CodeGen/TargetLowering.h diff | blob | history
llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp diff | blob | history
llvm/lib/Target/AArch64/AArch64ISelLowering.h diff | blob | history
llvm/lib/Target/AMDGPU/SIISelLowering.cpp diff | blob | history
llvm/lib/Target/AMDGPU/SIISelLowering.h diff | blob | history
llvm/lib/Target/PowerPC/PPCISelLowering.cpp diff | blob | history
llvm/lib/Target/PowerPC/PPCISelLowering.h diff | blob | history
llvm/lib/Target/RISCV/RISCVISelLowering.cpp diff | blob | history
llvm/lib/Target/RISCV/RISCVISelLowering.h diff | blob | history
llvm/lib/Target/SystemZ/SystemZISelLowering.h diff | blob | history
llvm/lib/Target/X86/X86ISelLowering.cpp diff | blob | history
llvm/lib/Target/X86/X86ISelLowering.h diff | blob | history
llvm/test/CodeGen/AMDGPU/fneg.ll diff | blob | history
llvm/test/CodeGen/PowerPC/fabs.ll diff | blob | history
llvm/test/CodeGen/X86/avx512fp16-fp-logic.ll diff | blob | history
llvm/test/CodeGen/X86/fp128-i128.ll diff | blob | history
Domain: System / Toolchain;