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[NVPTX] Remove unsupported 'seq_cst' test #156088

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Merged
merged 1 commit into from
Aug 29, 2025
Merged

[NVPTX] Remove unsupported 'seq_cst' test #156088

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3 changes: 2 additions & 1 deletion llvm/lib/Target/NVPTX/MCTargetDesc/NVPTXInstPrinter.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -290,7 +290,8 @@ void NVPTXInstPrinter::printAtomicCode(const MCInst *MI, int OpNum,
O << ".acq_rel";
return;
case NVPTX::Ordering::SequentiallyConsistent:
O << ".seq_cst";
report_fatal_error(
"NVPTX AtomicCode Printer does not support \"seq_cst\" ordering.");
return;
case NVPTX::Ordering::Volatile:
O << ".volatile";
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4 changes: 2 additions & 2 deletions llvm/test/CodeGen/NVPTX/atomics-b128.ll
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Expand Up @@ -1024,10 +1024,10 @@ define void @test_atomicrmw_xchg_const() {
; CHECK-NEXT: {
; CHECK-NEXT: .reg .b128 amt, dst;
; CHECK-NEXT: mov.b128 amt, {%rd2, %rd1};
; CHECK-NEXT: atom.seq_cst.sys.shared.exch.b128 dst, [si128], amt;
; CHECK-NEXT: atom.relaxed.sys.shared.exch.b128 dst, [si128], amt;
; CHECK-NEXT: mov.b128 {%rd3, %rd4}, dst;
; CHECK-NEXT: }
; CHECK-NEXT: ret;
%res = atomicrmw xchg ptr addrspace(3) @si128, i128 23 seq_cst
%res = atomicrmw xchg ptr addrspace(3) @si128, i128 23 monotonic
ret void
}