[PATCH] D87166: [GlobalISel] Add G_UNMERGE(Cst) -> Cst1, Cst2, ... combine

[Quentin Colombet via Phabricator via llvm-commits]

qcolombet marked an inline comment as done.
qcolombet added inline comments.


================
Comment at: llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp:1623-1624
+  MachineInstr *SrcInstr = MRI.getVRegDef(SrcReg);
+  if (SrcInstr->getOpcode() != TargetOpcode::G_CONSTANT)
+    return false;
+  // Break down the big constant in smaller ones.
----------------
arsenm wrote:
> Should also handle G_FCONSTANT
Good catch!


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D87166/new/

https://reviews.llvm.org/D87166