[PATCH] D153084: AMDGPU: Partially fix not respecting dynamic denormal mode

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: AMDGPU, rampitec, foad, Pierre-vh, cdevadas.
Herald added subscribers: StephenFan, kerbowa, hiraditya, tpr, dstuttard, yaxunl, jvesely, kzhuravl.
Herald added a project: All.
arsenm requested review of this revision.
Herald added a subscriber: wdng.
Herald added a project: LLVM.

The most notable issue was producing v_mad_f32 in functions with the
dynamic mode, since it just ignores the mode. fdiv lowering is still
somewhat broken because it involves a mode switch and we need to query
the original mode.


https://reviews.llvm.org/D153084

Files:
  llvm/lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp
  llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
  llvm/lib/Target/AMDGPU/AMDGPUInstructions.td
  llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
  llvm/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp
  llvm/lib/Target/AMDGPU/SIISelLowering.cpp
  llvm/lib/Target/AMDGPU/SIModeRegisterDefaults.h
  llvm/test/CodeGen/AMDGPU/GlobalISel/combine-fma-unmerge-values.mir
  llvm/test/CodeGen/AMDGPU/amdgpu-codegenprepare-fdiv.ll
  llvm/test/CodeGen/AMDGPU/fdiv.ll
  llvm/test/CodeGen/AMDGPU/llvm.exp.ll
  llvm/test/CodeGen/AMDGPU/llvm.log.ll
  llvm/test/CodeGen/AMDGPU/llvm.log10.ll
  llvm/test/CodeGen/AMDGPU/v_mac.ll

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