1 ; RUN: not llc -march=bpfel < %s 2>&1 | FileCheck %s
2 ; RUN: not llc -march=bpfeb < %s 2>&1 | FileCheck %s
4 ; This file is generated with the source command and source
5 ; $ clang -target bpf -O2 -g -S -emit-llvm t.c
9 ; __sync_fetch_and_add(ptr, 4);
10 ; r = __sync_fetch_and_add(ptr, 6);
15 source_filename = "t.c"
16 target datalayout = "e-m:e-p:64:64-i64:64-n32:64-S128"
19 ; Function Attrs: nounwind
20 define dso_local i32 @test(ptr nocapture %ptr) local_unnamed_addr #0 !dbg !7 {
22 call void @llvm.dbg.value(metadata ptr %ptr, metadata !13, metadata !DIExpression()), !dbg !15
23 %0 = atomicrmw add ptr %ptr, i32 4 seq_cst, !dbg !16
24 %1 = atomicrmw add ptr %ptr, i32 6 seq_cst, !dbg !17
25 ; CHECK: in function test i32 (ptr): Invalid usage of the XADD return value
26 call void @llvm.dbg.value(metadata i32 %1, metadata !14, metadata !DIExpression()), !dbg !18
30 ; Function Attrs: nounwind readnone speculatable
31 declare void @llvm.dbg.value(metadata, metadata, metadata) #1
33 attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
34 attributes #1 = { nounwind readnone speculatable }
37 !llvm.module.flags = !{!3, !4, !5}
40 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 8.0.0 (trunk 342605) (llvm/trunk 342612)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)
41 !1 = !DIFile(filename: "t.c", directory: "/home/yhs/work/tests/llvm/sync/test1")
43 !3 = !{i32 2, !"Dwarf Version", i32 4}
44 !4 = !{i32 2, !"Debug Info Version", i32 3}
45 !5 = !{i32 1, !"wchar_size", i32 4}
46 !6 = !{!"clang version 8.0.0 (trunk 342605) (llvm/trunk 342612)"}
47 !7 = distinct !DISubprogram(name: "test", scope: !1, file: !1, line: 1, type: !8, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !12)
48 !8 = !DISubroutineType(types: !9)
50 !10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
51 !11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !10, size: 64)
53 !13 = !DILocalVariable(name: "ptr", arg: 1, scope: !7, file: !1, line: 1, type: !11)
54 !14 = !DILocalVariable(name: "r", scope: !7, file: !1, line: 2, type: !10)
55 !15 = !DILocation(line: 1, column: 15, scope: !7)
56 !16 = !DILocation(line: 3, column: 4, scope: !7)
57 !17 = !DILocation(line: 4, column: 8, scope: !7)
58 !18 = !DILocation(line: 2, column: 8, scope: !7)
59 !19 = !DILocation(line: 5, column: 4, scope: !7)