| ; RUN: opt %s -S -passes=declare-to-assign -o - | FileCheck %s |
| |
| ;; Generated from this C++: |
| ;; long double get(); |
| ;; void fun() { |
| ;; long double f; |
| ;; } |
| |
| ;; Check a variable that is larger (128 bits according to !15) than its backing |
| ;; alloca (80 bits) can be represented with assignment tracking. Create a |
| ;; fragment for the dbg.assign for bits 0-80. |
| |
| ; CHECK: #dbg_assign(i1 poison, ![[#]], !DIExpression(DW_OP_LLVM_fragment, 0, 80), ![[#]], ptr %f, !DIExpression(), |
| |
| define dso_local void @_Z3funv() #0 !dbg !10 { |
| entry: |
| %f = alloca x86_fp80, align 16 |
| call void @llvm.dbg.declare(metadata ptr %f, metadata !14, metadata !DIExpression()), !dbg !16 |
| ret void |
| } |
| |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!2, !3} |
| !llvm.ident = !{!9} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 17.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None) |
| !1 = !DIFile(filename: "test.cpp", directory: "/") |
| !2 = !{i32 7, !"Dwarf Version", i32 5} |
| !3 = !{i32 2, !"Debug Info Version", i32 3} |
| !9 = !{!"clang version 17.0.0"} |
| !10 = distinct !DISubprogram(name: "fun", linkageName: "_Z3funv", scope: !1, file: !1, line: 2, type: !11, scopeLine: 2, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !13) |
| !11 = !DISubroutineType(types: !12) |
| !12 = !{null} |
| !13 = !{} |
| !14 = !DILocalVariable(name: "f", scope: !10, file: !1, line: 3, type: !15) |
| !15 = !DIBasicType(name: "long double", size: 128, encoding: DW_ATE_float) |
| !16 = !DILocation(line: 3, column: 15, scope: !10) |