| # RUN: llc -start-before=livedebugvalues -filetype=obj -o - %s | \ |
| # RUN: llvm-dwarfdump -debug-info - | FileCheck %s |
| # |
| # In this test the first DBG_VALUE is 32 bits large and sits in 128-bit register Q8, |
| # which has to be decomposed into two 64-bit register D16, D17. |
| # This test ensures that the unused D17 is suppressed in the output. |
| # |
| # CHECK: .debug_info contents: |
| # CHECK: DW_TAG_formal_parameter |
| # CHECK-NEXT: DW_AT_location |
| # CHECK-NEXT: DW_OP_regx D16, DW_OP_piece 0x4, DW_OP_regx D15, DW_OP_bit_piece 0x20 0x20 |
| # CHECK-NEXT: DW_AT_name {{.*}}"boundingRect" |
| --- | |
| target triple = "thumbv7k-apple-watchos" |
| define swiftcc void @f() !dbg !5 { |
| ret void |
| } |
| !llvm.module.flags = !{!0} |
| !llvm.dbg.cu = !{!2} |
| !0 = !{i32 2, !"Debug Info Version", i32 3} |
| !2 = distinct !DICompileUnit(language: DW_LANG_Swift, file: !3, |
| isOptimized: true, runtimeVersion: 5, emissionKind: FullDebug, enums: !4, globals: !4, imports: !4) |
| !3 = !DIFile(filename: "t.swift", directory: "/") |
| !4 = !{} |
| !5 = distinct !DISubprogram(name: "f", scope: !3, file: !3, line: 388, type: !9, scopeLine: 388, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !4) |
| !9 = !DISubroutineType(types: !4) |
| !10 = !DILocation(line: 0, scope: !5) |
| !12 = !DILocalVariable(name: "boundingRect", arg: 1, scope: !5, file: !3, line: 388, type: !13) |
| !13 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !14) |
| !14 = !DICompositeType(tag: DW_TAG_structure_type, name: "CGRect", scope: !5, file: !3, line: 46, size: 128, elements: !4, runtimeLang: DW_LANG_Swift, identifier: "$sSo6CGRectVD") |
| name: 'f' |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $r6 |
| |
| DBG_VALUE $s31, $noreg, !12, !DIExpression(DW_OP_LLVM_fragment, 32, 32), debug-location !10 |
| DBG_VALUE $q8, $noreg, !12, !DIExpression(DW_OP_LLVM_fragment, 0, 32), debug-location !10 |
| renamable $r0 = t2ADDri $r6, 144, 14, $noreg, $noreg, debug-location !10 |
