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[AMDGPU] Error on non-global pointer with s_prefetch_data #107624

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Merged
rampitec merged 5 commits into from
Sep 13, 2024
Merged

[AMDGPU] Error on non-global pointer with s_prefetch_data #107624

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5a58d1a
[AMDGPU] Error on non-global pointer with s_prefetch_data
rampitec Sep 6, 2024
3f3af45
Merge branch 'main' into s_prefgetch_data_err
rampitec Sep 9, 2024
c50067c
Moved to verifier
rampitec Sep 9, 2024
13f2cef
Address review comments
rampitec Sep 11, 2024
a407189
clang-format
rampitec Sep 11, 2024
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4 changes: 2 additions & 2 deletions llvm/lib/Target/AMDGPU/SIISelLowering.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -9929,9 +9929,9 @@ SDValue SITargetLowering::LowerINTRINSIC_VOID(SDValue Op,
return SDValue(NewMI, 0);
}
case Intrinsic::amdgcn_s_prefetch_data: {
// For non-global address space preserve the chain and remove the call.
if (!AMDGPU::isFlatGlobalAddrSpace(cast<MemSDNode>(Op)->getAddressSpace()))
return Op.getOperand(0);
report_fatal_error("s_prefetch_data only supports global or constant"
" memory");
return Op;
}
default: {
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8 changes: 8 additions & 0 deletions llvm/test/CodeGen/AMDGPU/llvm.amdgcn.s.prefetch.data.err.ll
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Original file line number Diff line number Diff line change
@@ -0,0 +1,8 @@
; RUN: not --crash llc -march=amdgcn -mcpu=gfx1200 < %s 2>&1 | FileCheck --check-prefixes=GCN-ERR %s

; GCN-ERR: LLVM ERROR: s_prefetch_data only supports global or constant memory
define amdgpu_ps void @prefetch_data_sgpr_base_imm_len_local(ptr addrspace(3) inreg %ptr) {
entry:
tail call void @llvm.amdgcn.s.prefetch.data.p3(ptr addrspace(3) %ptr, i32 31)
ret void
}
9 changes: 0 additions & 9 deletions llvm/test/CodeGen/AMDGPU/llvm.amdgcn.s.prefetch.data.ll
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Expand Up @@ -110,15 +110,6 @@ entry:
ret void
}

define amdgpu_ps void @prefetch_data_sgpr_base_imm_len_local(ptr addrspace(3) inreg %ptr) {
; GCN-LABEL: prefetch_data_sgpr_base_imm_len_local:
; GCN: ; %bb.0: ; %entry
; GCN-NEXT: s_endpgm
entry:
tail call void @llvm.amdgcn.s.prefetch.data.p3(ptr addrspace(3) %ptr, i32 31)
ret void
}

define amdgpu_ps void @prefetch_data_vgpr_base_imm_len(ptr addrspace(4) %ptr) {
; GCN-LABEL: prefetch_data_vgpr_base_imm_len:
; GCN: ; %bb.0: ; %entry
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