1 # Check that subsequent .loc 0 0 directives are collapsed.
3 # RUN: llc -start-before=machine-cp -O2 -filetype=asm -mtriple=x86_64-apple-macosx10.9.0 -o - %s | FileCheck %s
6 # CHECK: .loc 1 0 0 prologue_end
7 # CHECK-NOT: .loc 1 0 0
11 ; ModuleID = '<stdin>'
12 source_filename = "<stdin>"
13 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
14 target triple = "x86_64-apple-macosx10.9.0"
16 %swift.opaque = type opaque
17 %swift.metadata_response = type { %swift.type*, i64 }
18 %swift.type = type { i64 }
20 define hidden swiftcc void @"$S4main1fyyF"() !dbg !5 {
22 %s1.addr = alloca i8*, align 8
23 %0 = bitcast i8** %s1.addr to %swift.opaque**
24 store %swift.opaque* null, %swift.opaque** %0, align 8
25 %1 = call swiftcc %swift.metadata_response @"$S16resilient_struct4SizeVMa"(i64 0) #1, !dbg !10
26 %2 = extractvalue %swift.metadata_response %1, 0, !dbg !10
27 %3 = bitcast %swift.type* %2 to i8***, !dbg !10
28 %4 = getelementptr inbounds i8**, i8*** %3, i64 -1, !dbg !10
32 declare swiftcc %swift.metadata_response @"$S16resilient_struct4SizeVMa"(i64)
34 ; Function Attrs: nounwind
35 declare void @llvm.stackprotector(i8*, i8**) #0
37 attributes #0 = { nounwind }
38 attributes #1 = { nounwind readnone }
41 !llvm.module.flags = !{!3, !4}
43 !0 = distinct !DICompileUnit(language: DW_LANG_Swift, file: !1, producer: "Swift version 4.2.1-dev effective-3.4.1 (LLVM 4ba03d9389, Clang 78aa734eee, Swift f4134ebef6)", isOptimized: false, runtimeVersion: 4, emissionKind: FullDebug, enums: !2, imports: !2)
44 !1 = !DIFile(filename: "struct_resilience.swift", directory: "/Users/jonas/swift")
46 !3 = !{i32 2, !"Dwarf Version", i32 4}
47 !4 = !{i32 2, !"Debug Info Version", i32 3}
48 !5 = distinct !DISubprogram(name: "f", linkageName: "$S4main1fyyF", scope: !0, file: !6, line: 23, type: !7, scopeLine: 23, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
49 !6 = !DIFile(filename: "struct_resilience.swift", directory: "/Users/jonas/swift/swift/test/DebugInfo")
50 !7 = !DISubroutineType(types: !8)
52 !9 = !DICompositeType(tag: DW_TAG_structure_type, name: "$SytD", file: !6, elements: !2, runtimeLang: DW_LANG_Swift, identifier: "$SytD")
53 !10 = !DILocation(line: 0, scope: !11)
54 !11 = distinct !DILexicalBlock(scope: !5, file: !6, line: 23, column: 10)
55 !12 = !DILocation(line: 37, column: 1, scope: !11)
61 exposesReturnsTwice: false
63 regBankSelected: false
66 tracksRegLiveness: true
71 isFrameAddressTaken: false
72 isReturnAddressTaken: false
81 maxCallFrameSize: 4294967295
82 cvBytesOfCalleeSavedRegisters: 0
83 hasOpaqueSPAdjustment: false
85 hasMustTailInVarArgFunc: false
91 - { id: 0, name: s1.addr, type: default, offset: 0, size: 8, alignment: 8,
92 stack-id: default, callee-saved-register: '', callee-saved-restored: true,
93 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
97 MOV64mi32 %stack.0.s1.addr, 1, $noreg, 0, $noreg, 0 :: (store 8 into %ir.0)
98 ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp, debug-location !10
99 dead $edi = MOV32r0 implicit-def dead $eflags, implicit-def $rdi, debug-location !10
100 CALL64pcrel32 @"$S16resilient_struct4SizeVMa", csr_64, implicit $rsp, implicit $ssp, implicit killed $rdi, implicit-def $rsp, implicit-def $ssp, implicit-def dead $rax, implicit-def dead $rdx, debug-location !10
101 ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp, debug-location !10
102 RET 0, debug-location !12