| ; RUN: not llc -march=bpfel < %s 2>&1 | FileCheck %s |
| ; RUN: not llc -march=bpfeb < %s 2>&1 | FileCheck %s |
| |
| ; This file is generated with the source command and source |
| ; $ clang -target bpf -O2 -g -S -emit-llvm t.c |
| ; $ cat t.c |
| ; int test(int *ptr) { |
| ; int r; |
| ; __sync_fetch_and_add(ptr, 4); |
| ; r = __sync_fetch_and_add(ptr, 6); |
| ; return r; |
| ; } |
| |
| ; ModuleID = 't.c' |
| source_filename = "t.c" |
| target datalayout = "e-m:e-p:64:64-i64:64-n32:64-S128" |
| target triple = "bpf" |
| |
| ; Function Attrs: nounwind |
| define dso_local i32 @test(i32* nocapture %ptr) local_unnamed_addr #0 !dbg !7 { |
| entry: |
| call void @llvm.dbg.value(metadata i32* %ptr, metadata !13, metadata !DIExpression()), !dbg !15 |
| %0 = atomicrmw add i32* %ptr, i32 4 seq_cst, !dbg !16 |
| %1 = atomicrmw add i32* %ptr, i32 6 seq_cst, !dbg !17 |
| ; CHECK: line 4: Invalid usage of the XADD return value |
| call void @llvm.dbg.value(metadata i32 %1, metadata !14, metadata !DIExpression()), !dbg !18 |
| ret i32 %1, !dbg !19 |
| } |
| |
| ; Function Attrs: nounwind readnone speculatable |
| declare void @llvm.dbg.value(metadata, metadata, metadata) #1 |
| |
| 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" } |
| attributes #1 = { nounwind readnone speculatable } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4, !5} |
| !llvm.ident = !{!6} |
| |
| !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) |
| !1 = !DIFile(filename: "t.c", directory: "/home/yhs/work/tests/llvm/sync/test1") |
| !2 = !{} |
| !3 = !{i32 2, !"Dwarf Version", i32 4} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = !{i32 1, !"wchar_size", i32 4} |
| !6 = !{!"clang version 8.0.0 (trunk 342605) (llvm/trunk 342612)"} |
| !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) |
| !8 = !DISubroutineType(types: !9) |
| !9 = !{!10, !11} |
| !10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !10, size: 64) |
| !12 = !{!13, !14} |
| !13 = !DILocalVariable(name: "ptr", arg: 1, scope: !7, file: !1, line: 1, type: !11) |
| !14 = !DILocalVariable(name: "r", scope: !7, file: !1, line: 2, type: !10) |
| !15 = !DILocation(line: 1, column: 15, scope: !7) |
| !16 = !DILocation(line: 3, column: 4, scope: !7) |
| !17 = !DILocation(line: 4, column: 8, scope: !7) |
| !18 = !DILocation(line: 2, column: 8, scope: !7) |
| !19 = !DILocation(line: 5, column: 4, scope: !7) |