| ; RUN: opt -O2 %s | llvm-dis > %t1 |
| ; RUN: llc -filetype=asm -o - %t1 | FileCheck %s |
| ; RUN: llc -mattr=+alu32 -filetype=asm -o - %t1 | FileCheck %s |
| ; |
| ; Source: |
| ; enum AA { VAL1 = -100, VAL2 = 0xffff8000 }; |
| ; typedef enum { VAL10 = 0xffffFFFF80000000 } __BB; |
| ; int test() { |
| ; return __builtin_preserve_enum_value(*(enum AA *)VAL1, 0) + |
| ; __builtin_preserve_enum_value(*(enum AA *)VAL2, 1) + |
| ; __builtin_preserve_enum_value(*(__BB *)VAL10, 1); |
| ; } |
| ; Compiler flag to generate IR: |
| ; clang -target bpf -S -O2 -g -emit-llvm -Xclang -disable-llvm-passes t1.c |
| |
| target triple = "bpf" |
| |
| @0 = private unnamed_addr constant [10 x i8] c"VAL1:-100\00", align 1 |
| @1 = private unnamed_addr constant [16 x i8] c"VAL2:4294934528\00", align 1 |
| @2 = private unnamed_addr constant [18 x i8] c"VAL10:-2147483648\00", align 1 |
| |
| ; Function Attrs: nounwind readnone |
| define dso_local i32 @test() local_unnamed_addr #0 !dbg !18 { |
| entry: |
| %0 = tail call i64 @llvm.bpf.preserve.enum.value(i32 0, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @0, i64 0, i64 0), i64 0), !dbg !23, !llvm.preserve.access.index !3 |
| %1 = tail call i64 @llvm.bpf.preserve.enum.value(i32 1, i8* getelementptr inbounds ([16 x i8], [16 x i8]* @1, i64 0, i64 0), i64 1), !dbg !24, !llvm.preserve.access.index !3 |
| %add = add i64 %1, %0, !dbg !25 |
| %2 = tail call i64 @llvm.bpf.preserve.enum.value(i32 2, i8* getelementptr inbounds ([18 x i8], [18 x i8]* @2, i64 0, i64 0), i64 1), !dbg !26, !llvm.preserve.access.index !13 |
| %add1 = add i64 %add, %2, !dbg !27 |
| %conv = trunc i64 %add1 to i32, !dbg !23 |
| ret i32 %conv, !dbg !28 |
| } |
| |
| ; CHECK: r{{[0-9]+}} = 1 ll |
| ; CHECK: r{{[0-9]+}} = 4294934528 ll |
| ; CHECK: r{{[0-9]+}} = -2147483648 ll |
| ; CHECK: exit |
| |
| ; CHECK: .long 16 # BTF_KIND_ENUM(id = 4) |
| ; CHECK: .long 57 # BTF_KIND_TYPEDEF(id = 5) |
| |
| ; CHECK: .ascii ".text" # string offset=10 |
| ; CHECK: .ascii "AA" # string offset=16 |
| ; CHECK: .byte 48 # string offset=29 |
| ; CHECK: .byte 49 # string offset=55 |
| ; CHECK: .ascii "__BB" # string offset=57 |
| |
| ; CHECK: .long 16 # FieldReloc |
| ; CHECK-NEXT: .long 10 # Field reloc section string offset=10 |
| ; CHECK-NEXT: .long 3 |
| ; CHECK-NEXT: .long .Ltmp{{[0-9]+}} |
| ; CHECK-NEXT: .long 4 |
| ; CHECK-NEXT: .long 29 |
| ; CHECK-NEXT: .long 10 |
| ; CHECK-NEXT: .long .Ltmp{{[0-9]+}} |
| ; CHECK-NEXT: .long 4 |
| ; CHECK-NEXT: .long 55 |
| ; CHECK-NEXT: .long 11 |
| ; CHECK-NEXT: .long .Ltmp{{[0-9]+}} |
| ; CHECK-NEXT: .long 5 |
| ; CHECK-NEXT: .long 29 |
| ; CHECK-NEXT: .long 11 |
| |
| ; Function Attrs: nounwind readnone |
| declare i64 @llvm.bpf.preserve.enum.value(i32, i8*, i64) #1 |
| |
| attributes #0 = { nounwind readnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #1 = { nounwind readnone } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!14, !15, !16} |
| !llvm.ident = !{!17} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 12.0.0 (https://github.com/llvm/llvm-project.git d8b1394a0f4bbf57c254f69f8d3aa5381a89b5cd)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !12, splitDebugInlining: false, nameTableKind: None) |
| !1 = !DIFile(filename: "t1.c", directory: "/tmp/home/yhs/tmp1") |
| !2 = !{!3, !8} |
| !3 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "AA", file: !1, line: 1, baseType: !4, size: 64, elements: !5) |
| !4 = !DIBasicType(name: "long int", size: 64, encoding: DW_ATE_signed) |
| !5 = !{!6, !7} |
| !6 = !DIEnumerator(name: "VAL1", value: -100) |
| !7 = !DIEnumerator(name: "VAL2", value: 4294934528) |
| !8 = !DICompositeType(tag: DW_TAG_enumeration_type, file: !1, line: 2, baseType: !9, size: 64, elements: !10) |
| !9 = !DIBasicType(name: "long unsigned int", size: 64, encoding: DW_ATE_unsigned) |
| !10 = !{!11} |
| !11 = !DIEnumerator(name: "VAL10", value: 18446744071562067968, isUnsigned: true) |
| !12 = !{!13} |
| !13 = !DIDerivedType(tag: DW_TAG_typedef, name: "__BB", file: !1, line: 2, baseType: !8) |
| !14 = !{i32 7, !"Dwarf Version", i32 4} |
| !15 = !{i32 2, !"Debug Info Version", i32 3} |
| !16 = !{i32 1, !"wchar_size", i32 4} |
| !17 = !{!"clang version 12.0.0 (https://github.com/llvm/llvm-project.git d8b1394a0f4bbf57c254f69f8d3aa5381a89b5cd)"} |
| !18 = distinct !DISubprogram(name: "test", scope: !1, file: !1, line: 3, type: !19, scopeLine: 3, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !22) |
| !19 = !DISubroutineType(types: !20) |
| !20 = !{!21} |
| !21 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !22 = !{} |
| !23 = !DILocation(line: 4, column: 10, scope: !18) |
| !24 = !DILocation(line: 5, column: 10, scope: !18) |
| !25 = !DILocation(line: 4, column: 61, scope: !18) |
| !26 = !DILocation(line: 6, column: 10, scope: !18) |
| !27 = !DILocation(line: 5, column: 61, scope: !18) |
| !28 = !DILocation(line: 4, column: 3, scope: !18) |