1 ; RUN: llc -O0 < %s | FileCheck %s
2 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
3 target triple = "x86_64-apple-macosx10.6.7"
6 ;CHECK: .loc 1 2 11 prologue_end
7 define i32 @foo(i32 %i) nounwind ssp !dbg !1 {
9 %i.addr = alloca i32, align 4
10 %j = alloca i32, align 4
11 store i32 %i, ptr %i.addr, align 4
12 call void @llvm.dbg.declare(metadata ptr %i.addr, metadata !7, metadata !DIExpression()), !dbg !8
13 call void @llvm.dbg.declare(metadata ptr %j, metadata !9, metadata !DIExpression()), !dbg !11
14 store i32 2, ptr %j, align 4, !dbg !12
15 %tmp = load i32, ptr %j, align 4, !dbg !13
16 %inc = add nsw i32 %tmp, 1, !dbg !13
17 store i32 %inc, ptr %j, align 4, !dbg !13
18 %tmp1 = load i32, ptr %j, align 4, !dbg !14
19 %tmp2 = load i32, ptr %i.addr, align 4, !dbg !14
20 %add = add nsw i32 %tmp1, %tmp2, !dbg !14
21 store i32 %add, ptr %j, align 4, !dbg !14
22 %tmp3 = load i32, ptr %j, align 4, !dbg !15
23 ret i32 %tmp3, !dbg !15
26 declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
29 ;CHECK: .loc 1 8 2 prologue_end
31 define i32 @main() nounwind ssp !dbg !6 {
33 %retval = alloca i32, align 4
34 store i32 0, ptr %retval, !dbg !22
35 %call = call i32 @foo(i32 21), !dbg !16
36 ret i32 %call, !dbg !16
45 ;; In this function, the entry block will fall through to while.cond, with no
46 ;; instructions having source-locations. The expectations at -O0 is that we'll
47 ;; put prologue_end on the first instruction of the loop, after %arg.addr is
51 ; CHECK-NEXT: Lfunc_begin2:
52 ; CHECK-NEXT: .loc 1 11 0 is_stmt 1
53 ; CHECK-NEXT: .cfi_startproc
54 ; CHECK-NEXT: ## %bb.0:
55 ; CHECK-NEXT: movl %edi, -4(%rsp)
57 ; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
59 ; CHECK-NEXT: .loc 1 12 3 prologue_end
60 ; CHECK-NEXT: cmpl $0, -4(%rsp)
62 define dso_local i32 @bar(i32 noundef %arg) !dbg !30 {
64 %arg.addr = alloca i32, align 4
65 store i32 %arg, ptr %arg.addr, align 4
66 br label %while.cond, !dbg !37
68 while.cond: ; preds = %while.body, %entry
69 %0 = load i32, ptr %arg.addr, align 4, !dbg !38
70 %tobool = icmp ne i32 %0, 0, !dbg !37
71 br i1 %tobool, label %while.body, label %while.end, !dbg !37
73 while.body: ; preds = %while.cond
74 %1 = load i32, ptr %arg.addr, align 4, !dbg !39
75 %dec = add nsw i32 %1, -1, !dbg !39
76 store i32 %dec, ptr %arg.addr, align 4, !dbg !39
77 br label %while.cond, !dbg !37
79 while.end: ; preds = %while.cond
84 !llvm.module.flags = !{!21}
87 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.0 (trunk 131100)", isOptimized: false, emissionKind: FullDebug, file: !19, enums: !20, retainedTypes: !20, imports: null)
88 !1 = distinct !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !19, scope: !2, type: !3)
89 !2 = !DIFile(filename: "/tmp/a.c", directory: "/private/tmp")
90 !3 = !DISubroutineType(types: !4)
92 !5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
93 !6 = distinct !DISubprogram(name: "main", line: 7, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !0, scopeLine: 7, file: !19, scope: !2, type: !3)
94 !7 = !DILocalVariable(name: "i", line: 1, arg: 1, scope: !1, file: !2, type: !5)
95 !8 = !DILocation(line: 1, column: 13, scope: !1)
96 !9 = !DILocalVariable(name: "j", line: 2, scope: !10, file: !2, type: !5)
97 !10 = distinct !DILexicalBlock(line: 1, column: 16, file: !19, scope: !1)
98 !11 = !DILocation(line: 2, column: 6, scope: !10)
99 !12 = !DILocation(line: 2, column: 11, scope: !10)
100 !13 = !DILocation(line: 3, column: 2, scope: !10)
101 !14 = !DILocation(line: 4, column: 2, scope: !10)
102 !15 = !DILocation(line: 5, column: 2, scope: !10)
103 !16 = !DILocation(line: 8, column: 2, scope: !17)
104 !17 = distinct !DILexicalBlock(line: 7, column: 12, file: !19, scope: !6)
105 !19 = !DIFile(filename: "/tmp/a.c", directory: "/private/tmp")
107 !21 = !{i32 1, !"Debug Info Version", i32 3}
108 !22 = !DILocation(line: 0, column: 0, scope: !17)
109 !30 = distinct !DISubprogram(name: "bar", scope: !2, file: !2, line: 10, type: !3, scopeLine: 11, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !34)
111 !36 = !DILocation(line: 11, column: 13, scope: !30)
112 !37 = !DILocation(line: 12, column: 3, scope: !30)
113 !38 = !DILocation(line: 12, column: 10, scope: !30)
114 !39 = !DILocation(line: 13, column: 8, scope: !30)
115 !42 = !DILocation(line: 14, column: 3, scope: !30)