1 ; RUN: opt < %s -S -inline | FileCheck %s
2 ; RUN: opt < %s -S -passes='cgscc(inline)' | FileCheck %s
4 ; The purpose of this test is to check that inline pass preserves debug info
5 ; for variable using the dbg.declare intrinsic.
7 ;; This test was generated by running this command:
8 ;; clang.exe -S -O0 -emit-llvm -g foo.c
11 ;; ==========================
17 ;; void bar(float *dst)
19 ;; dst[0] = foo(dst[0]);
21 ;; ==========================
23 target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"
24 target triple = "i686-pc-windows-msvc"
26 ; Function Attrs: nounwind
27 define float @foo(float %x) #0 !dbg !4 {
29 %x.addr = alloca float, align 4
30 store float %x, float* %x.addr, align 4
31 call void @llvm.dbg.declare(metadata float* %x.addr, metadata !16, metadata !17), !dbg !18
32 %0 = load float, float* %x.addr, align 4, !dbg !19
33 ret float %0, !dbg !19
36 ; Function Attrs: nounwind readnone
37 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
39 ; CHECK: define void @bar
41 ; Function Attrs: nounwind
42 define void @bar(float* %dst) #0 !dbg !9 {
45 ; CHECK: [[x_addr_i:%.+]] = alloca float, align 4
46 ; CHECK: store float {{.*}}, float* [[x_addr_i]]
47 ; CHECK-NEXT: void @llvm.dbg.declare(metadata float* [[x_addr_i]], metadata [[m23:![0-9]+]], metadata !DIExpression()), !dbg [[m24:![0-9]+]]
49 %dst.addr = alloca float*, align 4
50 store float* %dst, float** %dst.addr, align 4
51 call void @llvm.dbg.declare(metadata float** %dst.addr, metadata !20, metadata !17), !dbg !21
52 %0 = load float*, float** %dst.addr, align 4, !dbg !22
53 %arrayidx = getelementptr inbounds float, float* %0, i32 0, !dbg !22
54 %1 = load float, float* %arrayidx, align 4, !dbg !22
55 %call = call float @foo(float %1), !dbg !22
57 ; CHECK-NOT: call float @foo
59 %2 = load float*, float** %dst.addr, align 4, !dbg !22
60 %arrayidx1 = getelementptr inbounds float, float* %2, i32 0, !dbg !22
61 store float %call, float* %arrayidx1, align 4, !dbg !22
65 attributes #0 = { nounwind }
66 attributes #1 = { nounwind readnone }
69 !llvm.module.flags = !{!13, !14}
72 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.6.0 (trunk)", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
73 !1 = !DIFile(filename: "foo.c", directory: "")
75 !4 = distinct !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 2, file: !1, scope: !5, type: !6, retainedNodes: !2)
76 !5 = !DIFile(filename: "foo.c", directory: "")
77 !6 = !DISubroutineType(types: !7)
79 !8 = !DIBasicType(tag: DW_TAG_base_type, name: "float", size: 32, align: 32, encoding: DW_ATE_float)
80 !9 = distinct !DISubprogram(name: "bar", line: 6, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 7, file: !1, scope: !5, type: !10, retainedNodes: !2)
81 !10 = !DISubroutineType(types: !11)
83 !12 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: !8)
84 !13 = !{i32 2, !"Dwarf Version", i32 4}
85 !14 = !{i32 2, !"Debug Info Version", i32 3}
86 !15 = !{!"clang version 3.6.0 (trunk)"}
87 !16 = !DILocalVariable(name: "x", line: 1, arg: 1, scope: !4, file: !5, type: !8)
89 !18 = !DILocation(line: 1, column: 17, scope: !4)
90 !19 = !DILocation(line: 3, column: 5, scope: !4)
91 !20 = !DILocalVariable(name: "dst", line: 6, arg: 1, scope: !9, file: !5, type: !12)
92 !21 = !DILocation(line: 6, column: 17, scope: !9)
93 !22 = !DILocation(line: 8, column: 14, scope: !9)
94 !23 = !DILocation(line: 9, column: 1, scope: !9)
96 ; CHECK: [[FOO:![0-9]+]] = distinct !DISubprogram(name: "foo",
97 ; CHECK: [[m23]] = !DILocalVariable(name: "x", arg: 1, scope: [[FOO]]
98 ; CHECK: [[BAR:![0-9]+]] = distinct !DISubprogram(name: "bar",
99 ; CHECK: [[m24]] = !DILocation(line: 1, column: 17, scope: [[FOO]], inlinedAt: [[CALL_SITE:![0-9]+]])
100 ; CHECK: [[CALL_SITE]] = distinct !DILocation(line: 8, column: 14, scope: [[BAR]])