diff options
| -rw-r--r-- | llvm/lib/Target/BPF/BTFDebug.cpp | 2 | ||||
| -rw-r--r-- | llvm/test/CodeGen/BPF/BTF/global-var-inited.ll | 42 |
2 files changed, 43 insertions, 1 deletions
diff --git a/llvm/lib/Target/BPF/BTFDebug.cpp b/llvm/lib/Target/BPF/BTFDebug.cpp index 5d1d96fa4cd..d00bc015835 100644 --- a/llvm/lib/Target/BPF/BTFDebug.cpp +++ b/llvm/lib/Target/BPF/BTFDebug.cpp @@ -751,7 +751,7 @@ void BTFDebug::endModule() { const Module *M = MMI->getModule(); for (const GlobalVariable &Global : M->globals()) { // Ignore external globals for now. - if (Global.hasExternalLinkage()) + if (!Global.hasInitializer() && Global.hasExternalLinkage()) continue; SmallVector<DIGlobalVariableExpression *, 1> GVs; diff --git a/llvm/test/CodeGen/BPF/BTF/global-var-inited.ll b/llvm/test/CodeGen/BPF/BTF/global-var-inited.ll new file mode 100644 index 00000000000..18313b5a2c3 --- /dev/null +++ b/llvm/test/CodeGen/BPF/BTF/global-var-inited.ll @@ -0,0 +1,42 @@ +; RUN: llc -march=bpfel -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s +; RUN: llc -march=bpfeb -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s + +; Source code: +; int a = 3; +; Compilation flag: +; clang -target bpf -O2 -g -S -emit-llvm test.c + +@a = dso_local local_unnamed_addr global i32 3, align 4, !dbg !0 + +; CHECK: .section .BTF,"",@progbits +; CHECK-NEXT: .short 60319 # 0xeb9f +; CHECK-NEXT: .byte 1 +; CHECK-NEXT: .byte 0 +; CHECK-NEXT: .long 24 +; CHECK-NEXT: .long 0 +; CHECK-NEXT: .long 16 +; CHECK-NEXT: .long 16 +; CHECK-NEXT: .long 5 +; CHECK-NEXT: .long 1 # BTF_KIND_INT(id = 1) +; CHECK-NEXT: .long 16777216 # 0x1000000 +; CHECK-NEXT: .long 4 +; CHECK-NEXT: .long 16777248 # 0x1000020 +; CHECK-NEXT: .byte 0 # string offset=0 +; CHECK-NEXT: .ascii "int" # string offset=1 +; CHECK-NEXT: .byte 0 + +!llvm.dbg.cu = !{!2} +!llvm.module.flags = !{!7, !8, !9} +!llvm.ident = !{!10} + +!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) +!1 = distinct !DIGlobalVariable(name: "a", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true) +!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 8.0.20181009 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, nameTableKind: None) +!3 = !DIFile(filename: "test.c", directory: "/home/yhs/work/tests/llvm/bug") +!4 = !{} +!5 = !{!0} +!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) +!7 = !{i32 2, !"Dwarf Version", i32 4} +!8 = !{i32 2, !"Debug Info Version", i32 3} +!9 = !{i32 1, !"wchar_size", i32 4} +!10 = !{!"clang version 8.0.20181009 "} |
