# RUN: llc -run-pass wasm-debug-fixup %s -o - | FileCheck %s # Test if '#DEBUG_VALUE' comments for target indices are printed correctly. --- | target triple = "wasm32-unknown-unknown" define void @test_remove_dangling_reg_dbg_value() !dbg !5 { call void @llvm.dbg.value(metadata i32 0, metadata !9, metadata !DIExpression()), !dbg !10 call void @llvm.dbg.value(metadata i32 0, metadata !11, metadata !DIExpression()), !dbg !10 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_C99, file: !1, emissionKind: FullDebug) !1 = !DIFile(filename: "test.c", directory: "") !2 = !{i32 7, !"Dwarf Version", i32 5} !3 = !{i32 2, !"Debug Info Version", i32 3} !4 = !{i32 1, !"wchar_size", i32 4} !5 = distinct !DISubprogram(name: "test_dbg_value_comment", scope: !1, file: !1, line: 1, type: !6, scopeLine: 1, unit: !0) !6 = !DISubroutineType(types: !7) !7 = !{!8} !8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) !9 = !DILocalVariable(name: "var0", scope: !5, file: !1, line: 2, type: !8) !10 = !DILocation(line: 0, scope: !5) !11 = !DILocalVariable(name: "var1", scope: !5, file: !1, line: 2, type: !8) ... --- # CHECK-LABEL: name: test_remove_dangling_reg_dbg_value name: test_remove_dangling_reg_dbg_value liveins: - { reg: '$arguments' } body: | ; CHECK: bb.0: ; CHECK: DBG_VALUE $noreg, $noreg, !9, !DIExpression(), debug-location !10 ; CHECK-NEXT: DBG_VALUE target-index(wasm-local) + 1, $noreg, !11, !DIExpression(), debug-location !10 ; CHECK-NEXT: RETURN bb.0: liveins: $arguments ; This %3 is a danling register and will turn to $noreg DBG_VALUE %3:i32, $noreg, !9, !DIExpression(), debug-location !10 ; This debug info will remain the same, because it's in a local DBG_VALUE target-index(wasm-local) + 1, $noreg, !11, !DIExpression(), debug-location !10 RETURN implicit-def dead $arguments ...