Unverified Commit 654a3a3c authored by Pengcheng Wang's avatar Pengcheng Wang Committed by GitHub
Browse files

[OpenCL][RISCV] Support SPIR_KERNEL calling convention (#69282) 

X86 supports this calling convention but I don't find any special
handling, so I think we can just handle it via CC_RISCV.

This should fix #69197.
parent 208a6d97

llvm/lib/Target/RISCV/RISCVISelLowering.cpp

+1 −0
Original line number Diff line number Diff line
@@ -17004,6 +17004,7 @@ SDValue RISCVTargetLowering::LowerFormalArguments( 
    report_fatal_error("Unsupported calling convention");

  case CallingConv::C:

  case CallingConv::Fast:

  case CallingConv::SPIR_KERNEL:

    break;

  case CallingConv::GHC:

    if (!Subtarget.hasStdExtFOrZfinx() || !Subtarget.hasStdExtDOrZdinx())

llvm/test/CodeGen/RISCV/spir-kernel-cc.ll

0 → 100644
+16 −0
Original line number Diff line number Diff line 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py

; RUN: llc -mtriple=riscv32 < %s | FileCheck %s -check-prefix=RV32

; RUN: llc -mtriple=riscv64 < %s | FileCheck %s -check-prefix=RV64



; Check the SPIR_KERNEL call convention works.



define dso_local spir_kernel void @foo() {

; RV32-LABEL: foo:

; RV32:       # %bb.0:

; RV32-NEXT:    ret

;

; RV64-LABEL: foo:

; RV64:       # %bb.0:

; RV64-NEXT:    ret

  ret void

}