| ; RUN: llvm-link -S %s | FileCheck %s |
| |
| ; Test that when a debug metadata use-before-def is run through llvm-link, the |
| ; value reference is preserved. Tests both singular uses and DIArgList uses of |
| ; the value. |
| |
| ; CHECK-LABEL: @test |
| ; CHECK: call void @llvm.dbg.value(metadata i32 %A, |
| ; CHECK-NEXT: call void @llvm.dbg.value(metadata !DIArgList(i32 0, i32 %A), |
| ; CHECK-NEXT: %A = |
| |
| target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024" |
| target triple = "spir64-unknown-unknown-intelfpga" |
| |
| define void @test() { |
| entry: |
| call void @llvm.dbg.value(metadata i32 %A, metadata !5, metadata !DIExpression()), !dbg !10 |
| call void @llvm.dbg.value(metadata !DIArgList(i32 0, i32 %A), metadata !5, metadata !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_minus, DW_OP_stack_value)), !dbg !10 |
| %A = add i32 0, 1 |
| ret void |
| } |
| |
| declare void @llvm.dbg.value(metadata, metadata, metadata) |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!2, !3, !4} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "bogus", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None) |
| !1 = !DIFile(filename: "test.c", directory: "test") |
| !2 = !{i32 7, !"Dwarf Version", i32 4} |
| !3 = !{i32 2, !"Debug Info Version", i32 3} |
| !4 = !{i32 1, !"wchar_size", i32 4} |
| !5 = !DILocalVariable(name: "A", arg: 2, scope: !6, file: !1, line: 60, type: !9) |
| !6 = distinct !DISubprogram(name: "test", linkageName: "_test", scope: !1, file: !1, line: 60, type: !7, scopeLine: 61, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0) |
| !7 = !DISubroutineType(types: !8) |
| !8 = !{null} |
| !9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !10 = !DILocation(line: 0, scope: !6) |