[PATCH] D124035: [AMDGPU] Remove obsolete hack from allowsMisalignedMemoryAccessesImpl. NFCI.

[Stanislav Mekhanoshin via Phabricator via llvm-commits]

rampitec created this revision.
rampitec added a reviewer: arsenm.
Herald added subscribers: hsmhsm, foad, kerbowa, hiraditya, t-tye, tpr, dstuttard, yaxunl, nhaehnle, jvesely, kzhuravl.
Herald added a project: All.
rampitec requested review of this revision.
Herald added a subscriber: wdng.
Herald added a project: LLVM.

https://reviews.llvm.org/D124035

Files:
  llvm/lib/Target/AMDGPU/SIISelLowering.cpp


Index: llvm/lib/Target/AMDGPU/SIISelLowering.cpp
===================================================================
--- llvm/lib/Target/AMDGPU/SIISelLowering.cpp
+++ llvm/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -1658,18 +1658,6 @@
 bool SITargetLowering::allowsMisalignedMemoryAccesses(
     EVT VT, unsigned AddrSpace, Align Alignment, MachineMemOperand::Flags Flags,
     bool *IsFast) const {
-  if (IsFast)
-    *IsFast = false;
-
-  // TODO: I think v3i32 should allow unaligned accesses on CI with DS_READ_B96,
-  // which isn't a simple VT.
-  // Until MVT is extended to handle this, simply check for the size and
-  // rely on the condition below: allow accesses if the size is a multiple of 4.
-  if (VT == MVT::Other || (VT != MVT::Other && VT.getSizeInBits() > 1024 &&
-                           VT.getStoreSize() > 16)) {
-    return false;
-  }
-
   bool Allow = allowsMisalignedMemoryAccessesImpl(VT.getSizeInBits(), AddrSpace,
                                                   Alignment, Flags, IsFast);
 


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D124035.423711.patch
Type: text/x-patch
Size: 1025 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20220419/7ca7d64f/attachment.bin>