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1; RUN: llc -mtriple=bpfel -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s2; RUN: llc -mtriple=bpfeb -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s3;4; Source:5; void foo(const ptr);6; int test() {7; const struct {8; unsigned a[4];9; char b;10; } val = { .a = {2, 3, 4, 5}, .b = 4 };11; foo(&val);12; return 0;13; }14; Compilation flag:15; clang -target bpf -O2 -g -S -emit-llvm t.c16 17%struct.anon = type { [4 x i32], i8 }18 19@__const.test.val = private unnamed_addr constant %struct.anon { [4 x i32] [i32 2, i32 3, i32 4, i32 5], i8 4 }, align 420 21; Function Attrs: nounwind22define dso_local i32 @test() local_unnamed_addr !dbg !7 {23entry:24 %val = alloca %struct.anon, align 425 call void @llvm.lifetime.start.p0(i64 20, ptr nonnull %val), !dbg !2326 call void @llvm.dbg.declare(metadata ptr %val, metadata !12, metadata !DIExpression()), !dbg !2427 call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 4 dereferenceable(20) %val, ptr nonnull align 4 dereferenceable(20) @__const.test.val, i64 20, i1 false), !dbg !2428 call void @foo(ptr nonnull %val), !dbg !2529 call void @llvm.lifetime.end.p0(i64 20, ptr nonnull %val), !dbg !2630 ret i32 0, !dbg !2731}32 33; the init value of local variable "val" is stored in .rodata section34; CHECK: .long 42 # BTF_KIND_DATASEC35; CHECK-NEXT: .long 251658240 # 0xf00000036; CHECK-NEXT: .long 037 38; CHECK: .ascii ".rodata" # string offset=4239 40; Function Attrs: argmemonly nounwind willreturn41declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture)42 43; Function Attrs: nounwind readnone speculatable willreturn44declare void @llvm.dbg.declare(metadata, metadata, metadata)45 46; Function Attrs: argmemonly nounwind willreturn47declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg)48 49declare !dbg !28 dso_local void @foo(ptr) local_unnamed_addr50 51; Function Attrs: argmemonly nounwind willreturn52declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture)53 54!llvm.dbg.cu = !{!0}55!llvm.module.flags = !{!3, !4, !5}56!llvm.ident = !{!6}57 58!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 11.0.0 (https://github.com/llvm/llvm-project.git 1e92cffe18a07c12042b57504dfa7fb709b833c8)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)59!1 = !DIFile(filename: "t.c", directory: "/tmp/home/yhs/tmp")60!2 = !{}61!3 = !{i32 7, !"Dwarf Version", i32 4}62!4 = !{i32 2, !"Debug Info Version", i32 3}63!5 = !{i32 1, !"wchar_size", i32 4}64!6 = !{!"clang version 11.0.0 (https://github.com/llvm/llvm-project.git 1e92cffe18a07c12042b57504dfa7fb709b833c8)"}65!7 = distinct !DISubprogram(name: "test", scope: !1, file: !1, line: 2, type: !8, scopeLine: 2, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !11)66!8 = !DISubroutineType(types: !9)67!9 = !{!10}68!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)69!11 = !{!12}70!12 = !DILocalVariable(name: "val", scope: !7, file: !1, line: 6, type: !13)71!13 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !14)72!14 = distinct !DICompositeType(tag: DW_TAG_structure_type, scope: !7, file: !1, line: 3, size: 160, elements: !15)73!15 = !{!16, !21}74!16 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !14, file: !1, line: 4, baseType: !17, size: 128)75!17 = !DICompositeType(tag: DW_TAG_array_type, baseType: !18, size: 128, elements: !19)76!18 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned)77!19 = !{!20}78!20 = !DISubrange(count: 4)79!21 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !14, file: !1, line: 5, baseType: !22, size: 8, offset: 128)80!22 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)81!23 = !DILocation(line: 3, column: 3, scope: !7)82!24 = !DILocation(line: 6, column: 5, scope: !7)83!25 = !DILocation(line: 7, column: 3, scope: !7)84!26 = !DILocation(line: 9, column: 1, scope: !7)85!27 = !DILocation(line: 8, column: 3, scope: !7)86!28 = !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !29, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)87!29 = !DISubroutineType(types: !30)88!30 = !{null, !31}89!31 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !32, size: 64)90!32 = !DIDerivedType(tag: DW_TAG_const_type, baseType: null)91