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

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Merged
merged 5 commits into from
Oct 19, 2023
Merged

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

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389fbe7
[OpenCL][RISCV] Support SPIR_KERNEL calling convention
wangpc-pp Oct 17, 2023
9655564
fixup! [OpenCL][RISCV] Support SPIR_KERNEL calling convention
wangpc-pp Oct 17, 2023
280e142
fixup! [OpenCL][RISCV] Support SPIR_KERNEL calling convention
wangpc-pp Oct 17, 2023
ce143a0
fixup! [OpenCL][RISCV] Support SPIR_KERNEL calling convention
wangpc-pp Oct 18, 2023
3b209ac
fixup! [OpenCL][RISCV] Support SPIR_KERNEL calling convention
wangpc-pp Oct 18, 2023
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1 change: 1 addition & 0 deletions llvm/lib/Target/RISCV/RISCVISelLowering.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -17000,6 +17000,7 @@ 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())
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16 changes: 16 additions & 0 deletions llvm/test/CodeGen/RISCV/spir-kernel-cc.ll
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@@ -0,0 +1,16 @@
; 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
}