| ; RUN: llc %s -mtriple=x86_64-unknown-unknown -o - -stop-before=finalize-isel \ |
| ; RUN: | FileCheck %s --check-prefix=NORMAL \ |
| ; RUN: --implicit-check-not=debug-instr-number \ |
| ; RUN: --implicit-check-not=DBG_INSTR_REF |
| ; RUN: llc %s -mtriple=x86_64-unknown-unknown -o - -stop-before=finalize-isel \ |
| ; RUN: -experimental-debug-variable-locations -verify-machineinstrs \ |
| ; RUN: | FileCheck %s --check-prefix=INSTRREF \ |
| ; RUN: --implicit-check-not=DBG_VALUE |
| |
| ; Test that SelectionDAG produces DBG_VALUEs normally, but DBG_INSTR_REFs when |
| ; asked. |
| |
| ; NORMAL: %[[REG0:[0-9]+]]:gr32 = ADD32rr |
| ; NORMAL-NEXT: DBG_VALUE %[[REG0]] |
| ; NORMAL-NEXT: %[[REG1:[0-9]+]]:gr32 = ADD32rr |
| ; NORMAL-NEXT: DBG_VALUE %[[REG1]] |
| |
| ; Note that I'm baking in an assumption of one-based ordering here. We could |
| ; capture and check for the instruction numbers, we'd rely on machine verifier |
| ; ensuring there were no duplicates. |
| |
| ; INSTRREF: ADD32rr |
| ; INSTRREF-SAME: debug-instr-number 1 |
| ; INSTRREF-NEXT: DBG_INSTR_REF 1, 0 |
| ; INSTRREF-NEXT: ADD32rr |
| ; INSTRREF-SAME: debug-instr-number 2 |
| ; INSTRREF-NEXT: DBG_INSTR_REF 2, 0 |
| |
| declare void @llvm.dbg.value(metadata, metadata, metadata) |
| |
| define i32 @foo(i32 %bar, i32 %baz, i32 %qux) !dbg !7 { |
| entry: |
| %0 = add i32 %bar, %baz, !dbg !14 |
| call void @llvm.dbg.value(metadata i32 %0, metadata !13, metadata !DIExpression()), !dbg !14 |
| %1 = add i32 %0, %qux |
| call void @llvm.dbg.value(metadata i32 %1, metadata !13, metadata !DIExpression()), !dbg !14 |
| ret i32 %1, !dbg !14 |
| } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None) |
| !1 = !DIFile(filename: "exprconflict.c", directory: "/home/jmorse") |
| !2 = !{} |
| !3 = !{i32 2, !"Dwarf Version", i32 4} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !7 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 5, type: !8, scopeLine: 5, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !11) |
| !8 = !DISubroutineType(types: !9) |
| !9 = !{!10, !10} |
| !10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !11 = !{!13} |
| !13 = !DILocalVariable(name: "baz", scope: !7, file: !1, line: 6, type: !10) |
| !14 = !DILocation(line: 1, scope: !7) |