1 ; RUN: opt < %s -S -inline | FileCheck %s
\r
3 ; The purpose of this test is to check that inline pass preserves debug info
\r
4 ; for variable using the dbg.declare intrinsic.
\r
6 ;; This test was generated by running this command:
\r
7 ;; clang.exe -S -O0 -emit-llvm -g foo.c
\r
10 ;; ==========================
\r
11 ;; float foo(float x)
\r
16 ;; void bar(float *dst)
\r
18 ;; dst[0] = foo(dst[0]);
\r
20 ;; ==========================
\r
22 target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"
\r
23 target triple = "i686-pc-windows-msvc"
\r
25 ; Function Attrs: nounwind
\r
26 define float @foo(float %x) #0 {
\r
28 %x.addr = alloca float, align 4
\r
29 store float %x, float* %x.addr, align 4
\r
30 call void @llvm.dbg.declare(metadata !{float* %x.addr}, metadata !16, metadata !17), !dbg !18
\r
31 %0 = load float* %x.addr, align 4, !dbg !19
\r
32 ret float %0, !dbg !19
\r
35 ; Function Attrs: nounwind readnone
\r
36 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
\r
38 ; CHECK: define void @bar
\r
40 ; Function Attrs: nounwind
\r
41 define void @bar(float* %dst) #0 {
\r
44 ; CHECK: [[x_addr_i:%[a-zA-Z0-9.]+]] = alloca float, align 4
\r
46 %dst.addr = alloca float*, align 4
\r
47 store float* %dst, float** %dst.addr, align 4
\r
48 call void @llvm.dbg.declare(metadata !{float** %dst.addr}, metadata !20, metadata !17), !dbg !21
\r
49 %0 = load float** %dst.addr, align 4, !dbg !22
\r
50 %arrayidx = getelementptr inbounds float* %0, i32 0, !dbg !22
\r
51 %1 = load float* %arrayidx, align 4, !dbg !22
\r
52 %call = call float @foo(float %1), !dbg !22
\r
54 ; CHECK-NOT: call float @foo
\r
55 ; CHECK: void @llvm.dbg.declare(metadata !{float* [[x_addr_i]]}, metadata [[m23:![0-9]+]], metadata !17), !dbg [[m24:![0-9]+]]
\r
57 %2 = load float** %dst.addr, align 4, !dbg !22
\r
58 %arrayidx1 = getelementptr inbounds float* %2, i32 0, !dbg !22
\r
59 store float %call, float* %arrayidx1, align 4, !dbg !22
\r
63 attributes #0 = { nounwind }
\r
64 attributes #1 = { nounwind readnone }
\r
66 !llvm.dbg.cu = !{!0}
\r
67 !llvm.module.flags = !{!13, !14}
\r
68 !llvm.ident = !{!15}
\r
70 !0 = metadata !{metadata !"0x11\0012\00clang version 3.6.0 (trunk)\000\00\000\00\001", metadata !1, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [foo.c] [DW_LANG_C99]
\r
71 !1 = metadata !{metadata !"foo.c", metadata !""}
\r
73 !3 = metadata !{metadata !4, metadata !9}
\r
74 !4 = metadata !{metadata !"0x2e\00foo\00foo\00\001\000\001\000\000\00256\000\002", metadata !1, metadata !5, metadata !6, null, float (float)* @foo, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 1] [def] [scope 2] [foo]
\r
75 !5 = metadata !{metadata !"0x29", metadata !1} ; [ DW_TAG_file_type ] [foo.c]
\r
76 !6 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", null, null, null, metadata !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
\r
77 !7 = metadata !{metadata !8, metadata !8}
\r
78 !8 = metadata !{metadata !"0x24\00float\000\0032\0032\000\000\004", null, null} ; [ DW_TAG_base_type ] [float] [line 0, size 32, align 32, offset 0, enc DW_ATE_float]
\r
79 !9 = metadata !{metadata !"0x2e\00bar\00bar\00\006\000\001\000\000\00256\000\007", metadata !1, metadata !5, metadata !10, null, void (float*)* @bar, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 6] [def] [scope 7] [bar]
\r
80 !10 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", null, null, null, metadata !11, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
\r
81 !11 = metadata !{null, metadata !12}
\r
82 !12 = metadata !{metadata !"0xf\00\000\0032\0032\000\000", null, null, metadata !8} ; [ DW_TAG_pointer_type ] [line 0, size 32, align 32, offset 0] [from float]
\r
83 !13 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
\r
84 !14 = metadata !{i32 2, metadata !"Debug Info Version", i32 2}
\r
85 !15 = metadata !{metadata !"clang version 3.6.0 (trunk)"}
\r
86 !16 = metadata !{metadata !"0x101\00x\0016777217\000", metadata !4, metadata !5, metadata !8} ; [ DW_TAG_arg_variable ] [x] [line 1]
\r
87 !17 = metadata !{metadata !"0x102"} ; [ DW_TAG_expression ]
\r
88 !18 = metadata !{i32 1, i32 17, metadata !4, null}
\r
89 !19 = metadata !{i32 3, i32 5, metadata !4, null}
\r
90 !20 = metadata !{metadata !"0x101\00dst\0016777222\000", metadata !9, metadata !5, metadata !12} ; [ DW_TAG_arg_variable ] [dst] [line 6]
\r
91 !21 = metadata !{i32 6, i32 17, metadata !9, null}
\r
92 !22 = metadata !{i32 8, i32 14, metadata !9, null}
\r
93 !23 = metadata !{i32 9, i32 1, metadata !9, null}
\r
95 ; CHECK: [[m23]] = metadata !{metadata !"0x101\00x\0016777217\000", metadata !4, metadata !5, metadata !8, metadata !22} ; [ DW_TAG_arg_variable ] [x] [line 1]
\r
96 ; CHECK: [[m24]] = metadata !{i32 1, i32 17, metadata !4, metadata !22}
\r