[llvm] [GISel][RISCV]Implement indirect parameter passing for large scalars (PR #95429)
Sergei Barannikov via llvm-commits
llvm-commits at lists.llvm.org
Fri Jun 14 01:57:35 PDT 2024
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@@ -790,6 +804,36 @@ bool CallLowering::handleAssignments(ValueHandler &Handler,
CCValAssign &VA = ArgLocs[j + Idx];
const ISD::ArgFlagsTy Flags = Args[i].Flags[Part];
+ // We found an indirect parameter passing and we are at the first part of
+ // the value being passed. In this case copy the incoming pointer into a
+ // virtual register so later we can load it.
+ if (VA.getLocInfo() == CCValAssign::Indirect && Flags.isSplit()) {
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s-barannikov wrote:
I think this should be done for unsplit arguments as well.
https://github.com/llvm/llvm-project/pull/95429
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