1 ; RUN: llc -march=x86-64 -O2 < %s | FileCheck %s
2 ; Test to check .debug_loc support. This test case emits many debug_loc entries.
5 ; CHECK-NEXT: DW_OP_reg
9 define hidden %0 @__divsc3(float %a, float %b, float %c, float %d) nounwind readnone {
11 tail call void @llvm.dbg.value(metadata !{float %a}, i64 0, metadata !0)
12 tail call void @llvm.dbg.value(metadata !{float %b}, i64 0, metadata !11)
13 tail call void @llvm.dbg.value(metadata !{float %c}, i64 0, metadata !12)
14 tail call void @llvm.dbg.value(metadata !{float %d}, i64 0, metadata !13)
15 %0 = tail call float @fabsf(float %c) nounwind readnone, !dbg !19 ; <float> [#uses=1]
16 %1 = tail call float @fabsf(float %d) nounwind readnone, !dbg !19 ; <float> [#uses=1]
17 %2 = fcmp olt float %0, %1, !dbg !19 ; <i1> [#uses=1]
18 br i1 %2, label %bb, label %bb1, !dbg !19
21 %3 = fdiv float %c, %d, !dbg !20 ; <float> [#uses=3]
22 tail call void @llvm.dbg.value(metadata !{float %3}, i64 0, metadata !16), !dbg !20
23 %4 = fmul float %3, %c, !dbg !21 ; <float> [#uses=1]
24 %5 = fadd float %4, %d, !dbg !21 ; <float> [#uses=2]
25 tail call void @llvm.dbg.value(metadata !{float %5}, i64 0, metadata !14), !dbg !21
26 %6 = fmul float %3, %a, !dbg !22 ; <float> [#uses=1]
27 %7 = fadd float %6, %b, !dbg !22 ; <float> [#uses=1]
28 %8 = fdiv float %7, %5, !dbg !22 ; <float> [#uses=1]
29 tail call void @llvm.dbg.value(metadata !{float %8}, i64 0, metadata !17), !dbg !22
30 %9 = fmul float %3, %b, !dbg !23 ; <float> [#uses=1]
31 %10 = fsub float %9, %a, !dbg !23 ; <float> [#uses=1]
32 %11 = fdiv float %10, %5, !dbg !23 ; <float> [#uses=1]
33 tail call void @llvm.dbg.value(metadata !{float %11}, i64 0, metadata !18), !dbg !23
34 br label %bb2, !dbg !23
37 %12 = fdiv float %d, %c, !dbg !24 ; <float> [#uses=3]
38 tail call void @llvm.dbg.value(metadata !{float %12}, i64 0, metadata !16), !dbg !24
39 %13 = fmul float %12, %d, !dbg !25 ; <float> [#uses=1]
40 %14 = fadd float %13, %c, !dbg !25 ; <float> [#uses=2]
41 tail call void @llvm.dbg.value(metadata !{float %14}, i64 0, metadata !14), !dbg !25
42 %15 = fmul float %12, %b, !dbg !26 ; <float> [#uses=1]
43 %16 = fadd float %15, %a, !dbg !26 ; <float> [#uses=1]
44 %17 = fdiv float %16, %14, !dbg !26 ; <float> [#uses=1]
45 tail call void @llvm.dbg.value(metadata !{float %17}, i64 0, metadata !17), !dbg !26
46 %18 = fmul float %12, %a, !dbg !27 ; <float> [#uses=1]
47 %19 = fsub float %b, %18, !dbg !27 ; <float> [#uses=1]
48 %20 = fdiv float %19, %14, !dbg !27 ; <float> [#uses=1]
49 tail call void @llvm.dbg.value(metadata !{float %20}, i64 0, metadata !18), !dbg !27
50 br label %bb2, !dbg !27
52 bb2: ; preds = %bb1, %bb
53 %y.0 = phi float [ %11, %bb ], [ %20, %bb1 ] ; <float> [#uses=5]
54 %x.0 = phi float [ %8, %bb ], [ %17, %bb1 ] ; <float> [#uses=5]
55 %21 = fcmp uno float %x.0, 0.000000e+00, !dbg !28 ; <i1> [#uses=1]
56 %22 = fcmp uno float %y.0, 0.000000e+00, !dbg !28 ; <i1> [#uses=1]
57 %or.cond = and i1 %21, %22 ; <i1> [#uses=1]
58 br i1 %or.cond, label %bb4, label %bb46, !dbg !28
61 %23 = fcmp une float %c, 0.000000e+00, !dbg !29 ; <i1> [#uses=1]
62 %24 = fcmp une float %d, 0.000000e+00, !dbg !29 ; <i1> [#uses=1]
63 %or.cond93 = or i1 %23, %24 ; <i1> [#uses=1]
64 br i1 %or.cond93, label %bb9, label %bb6, !dbg !29
67 %25 = fcmp uno float %a, 0.000000e+00, !dbg !29 ; <i1> [#uses=1]
68 %26 = fcmp uno float %b, 0.000000e+00, !dbg !29 ; <i1> [#uses=1]
69 %or.cond94 = and i1 %25, %26 ; <i1> [#uses=1]
70 br i1 %or.cond94, label %bb9, label %bb8, !dbg !29
73 %27 = tail call float @copysignf(float 0x7FF0000000000000, float %c) nounwind readnone, !dbg !30 ; <float> [#uses=2]
74 %28 = fmul float %27, %a, !dbg !30 ; <float> [#uses=1]
75 tail call void @llvm.dbg.value(metadata !{float %28}, i64 0, metadata !17), !dbg !30
76 %29 = fmul float %27, %b, !dbg !31 ; <float> [#uses=1]
77 tail call void @llvm.dbg.value(metadata !{float %29}, i64 0, metadata !18), !dbg !31
78 br label %bb46, !dbg !31
80 bb9: ; preds = %bb6, %bb4
81 %30 = fcmp ord float %a, 0.000000e+00 ; <i1> [#uses=1]
82 %31 = fsub float %a, %a, !dbg !32 ; <float> [#uses=3]
83 %32 = fcmp uno float %31, 0.000000e+00 ; <i1> [#uses=1]
84 %33 = and i1 %30, %32, !dbg !32 ; <i1> [#uses=2]
85 br i1 %33, label %bb14, label %bb11, !dbg !32
88 %34 = fcmp ord float %b, 0.000000e+00 ; <i1> [#uses=1]
89 %35 = fsub float %b, %b, !dbg !32 ; <float> [#uses=1]
90 %36 = fcmp uno float %35, 0.000000e+00 ; <i1> [#uses=1]
91 %37 = and i1 %34, %36, !dbg !32 ; <i1> [#uses=1]
92 br i1 %37, label %bb14, label %bb27, !dbg !32
94 bb14: ; preds = %bb11, %bb9
95 %38 = fsub float %c, %c, !dbg !32 ; <float> [#uses=1]
96 %39 = fcmp ord float %38, 0.000000e+00 ; <i1> [#uses=1]
97 br i1 %39, label %bb15, label %bb27, !dbg !32
100 %40 = fsub float %d, %d, !dbg !32 ; <float> [#uses=1]
101 %41 = fcmp ord float %40, 0.000000e+00 ; <i1> [#uses=1]
102 br i1 %41, label %bb16, label %bb27, !dbg !32
104 bb16: ; preds = %bb15
105 %iftmp.0.0 = select i1 %33, float 1.000000e+00, float 0.000000e+00 ; <float> [#uses=1]
106 %42 = tail call float @copysignf(float %iftmp.0.0, float %a) nounwind readnone, !dbg !33 ; <float> [#uses=2]
107 tail call void @llvm.dbg.value(metadata !{float %42}, i64 0, metadata !0), !dbg !33
108 %43 = fcmp ord float %b, 0.000000e+00 ; <i1> [#uses=1]
109 %44 = fsub float %b, %b, !dbg !34 ; <float> [#uses=1]
110 %45 = fcmp uno float %44, 0.000000e+00 ; <i1> [#uses=1]
111 %46 = and i1 %43, %45, !dbg !34 ; <i1> [#uses=1]
112 %iftmp.1.0 = select i1 %46, float 1.000000e+00, float 0.000000e+00 ; <float> [#uses=1]
113 %47 = tail call float @copysignf(float %iftmp.1.0, float %b) nounwind readnone, !dbg !34 ; <float> [#uses=2]
114 tail call void @llvm.dbg.value(metadata !{float %47}, i64 0, metadata !11), !dbg !34
115 %48 = fmul float %42, %c, !dbg !35 ; <float> [#uses=1]
116 %49 = fmul float %47, %d, !dbg !35 ; <float> [#uses=1]
117 %50 = fadd float %48, %49, !dbg !35 ; <float> [#uses=1]
118 %51 = fmul float %50, 0x7FF0000000000000, !dbg !35 ; <float> [#uses=1]
119 tail call void @llvm.dbg.value(metadata !{float %51}, i64 0, metadata !17), !dbg !35
120 %52 = fmul float %47, %c, !dbg !36 ; <float> [#uses=1]
121 %53 = fmul float %42, %d, !dbg !36 ; <float> [#uses=1]
122 %54 = fsub float %52, %53, !dbg !36 ; <float> [#uses=1]
123 %55 = fmul float %54, 0x7FF0000000000000, !dbg !36 ; <float> [#uses=1]
124 tail call void @llvm.dbg.value(metadata !{float %55}, i64 0, metadata !18), !dbg !36
125 br label %bb46, !dbg !36
127 bb27: ; preds = %bb15, %bb14, %bb11
128 %56 = fcmp ord float %c, 0.000000e+00 ; <i1> [#uses=1]
129 %57 = fsub float %c, %c, !dbg !37 ; <float> [#uses=1]
130 %58 = fcmp uno float %57, 0.000000e+00 ; <i1> [#uses=1]
131 %59 = and i1 %56, %58, !dbg !37 ; <i1> [#uses=2]
132 br i1 %59, label %bb33, label %bb30, !dbg !37
134 bb30: ; preds = %bb27
135 %60 = fcmp ord float %d, 0.000000e+00 ; <i1> [#uses=1]
136 %61 = fsub float %d, %d, !dbg !37 ; <float> [#uses=1]
137 %62 = fcmp uno float %61, 0.000000e+00 ; <i1> [#uses=1]
138 %63 = and i1 %60, %62, !dbg !37 ; <i1> [#uses=1]
139 %64 = fcmp ord float %31, 0.000000e+00 ; <i1> [#uses=1]
140 %or.cond95 = and i1 %63, %64 ; <i1> [#uses=1]
141 br i1 %or.cond95, label %bb34, label %bb46, !dbg !37
143 bb33: ; preds = %bb27
144 %.old = fcmp ord float %31, 0.000000e+00 ; <i1> [#uses=1]
145 br i1 %.old, label %bb34, label %bb46, !dbg !37
147 bb34: ; preds = %bb33, %bb30
148 %65 = fsub float %b, %b, !dbg !37 ; <float> [#uses=1]
149 %66 = fcmp ord float %65, 0.000000e+00 ; <i1> [#uses=1]
150 br i1 %66, label %bb35, label %bb46, !dbg !37
152 bb35: ; preds = %bb34
153 %iftmp.2.0 = select i1 %59, float 1.000000e+00, float 0.000000e+00 ; <float> [#uses=1]
154 %67 = tail call float @copysignf(float %iftmp.2.0, float %c) nounwind readnone, !dbg !38 ; <float> [#uses=2]
155 tail call void @llvm.dbg.value(metadata !{float %67}, i64 0, metadata !12), !dbg !38
156 %68 = fcmp ord float %d, 0.000000e+00 ; <i1> [#uses=1]
157 %69 = fsub float %d, %d, !dbg !39 ; <float> [#uses=1]
158 %70 = fcmp uno float %69, 0.000000e+00 ; <i1> [#uses=1]
159 %71 = and i1 %68, %70, !dbg !39 ; <i1> [#uses=1]
160 %iftmp.3.0 = select i1 %71, float 1.000000e+00, float 0.000000e+00 ; <float> [#uses=1]
161 %72 = tail call float @copysignf(float %iftmp.3.0, float %d) nounwind readnone, !dbg !39 ; <float> [#uses=2]
162 tail call void @llvm.dbg.value(metadata !{float %72}, i64 0, metadata !13), !dbg !39
163 %73 = fmul float %67, %a, !dbg !40 ; <float> [#uses=1]
164 %74 = fmul float %72, %b, !dbg !40 ; <float> [#uses=1]
165 %75 = fadd float %73, %74, !dbg !40 ; <float> [#uses=1]
166 %76 = fmul float %75, 0.000000e+00, !dbg !40 ; <float> [#uses=1]
167 tail call void @llvm.dbg.value(metadata !{float %76}, i64 0, metadata !17), !dbg !40
168 %77 = fmul float %67, %b, !dbg !41 ; <float> [#uses=1]
169 %78 = fmul float %72, %a, !dbg !41 ; <float> [#uses=1]
170 %79 = fsub float %77, %78, !dbg !41 ; <float> [#uses=1]
171 %80 = fmul float %79, 0.000000e+00, !dbg !41 ; <float> [#uses=1]
172 tail call void @llvm.dbg.value(metadata !{float %80}, i64 0, metadata !18), !dbg !41
173 br label %bb46, !dbg !41
175 bb46: ; preds = %bb35, %bb34, %bb33, %bb30, %bb16, %bb8, %bb2
176 %y.1 = phi float [ %80, %bb35 ], [ %y.0, %bb34 ], [ %y.0, %bb33 ], [ %y.0, %bb30 ], [ %55, %bb16 ], [ %29, %bb8 ], [ %y.0, %bb2 ] ; <float> [#uses=2]
177 %x.1 = phi float [ %76, %bb35 ], [ %x.0, %bb34 ], [ %x.0, %bb33 ], [ %x.0, %bb30 ], [ %51, %bb16 ], [ %28, %bb8 ], [ %x.0, %bb2 ] ; <float> [#uses=1]
178 %81 = fmul float %y.1, 0.000000e+00, !dbg !42 ; <float> [#uses=1]
179 %82 = fadd float %y.1, 0.000000e+00, !dbg !42 ; <float> [#uses=1]
180 %tmpr = fadd float %x.1, %81, !dbg !42 ; <float> [#uses=1]
181 %tmp89 = bitcast float %tmpr to i32 ; <i32> [#uses=1]
182 %tmp90 = zext i32 %tmp89 to i64 ; <i64> [#uses=1]
183 %tmp85 = bitcast float %82 to i32 ; <i32> [#uses=1]
184 %tmp86 = zext i32 %tmp85 to i64 ; <i64> [#uses=1]
185 %tmp87 = shl i64 %tmp86, 32 ; <i64> [#uses=1]
186 %ins = or i64 %tmp90, %tmp87 ; <i64> [#uses=1]
187 %tmp84 = bitcast i64 %ins to double ; <double> [#uses=1]
188 %mrv75 = insertvalue %0 undef, double %tmp84, 0, !dbg !42 ; <%0> [#uses=1]
189 ret %0 %mrv75, !dbg !42
192 declare float @fabsf(float)
194 declare float @copysignf(float, float) nounwind readnone
196 declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
198 !llvm.dbg.lv = !{!0, !11, !12, !13, !14, !16, !17, !18}
200 !0 = metadata !{i32 524545, metadata !1, metadata !"a", metadata !2, i32 1921, metadata !9} ; [ DW_TAG_arg_variable ]
201 !1 = metadata !{i32 524334, i32 0, metadata !2, metadata !"__divsc3", metadata !"__divsc3", metadata !"__divsc3", metadata !2, i32 1922, metadata !4, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 true} ; [ DW_TAG_subprogram ]
202 !2 = metadata !{i32 524329, metadata !"libgcc2.c", metadata !"/Users/yash/clean/LG.D/gcc/../../llvmgcc/gcc", metadata !3} ; [ DW_TAG_file_type ]
203 !3 = metadata !{i32 524305, i32 0, i32 1, metadata !"libgcc2.c", metadata !"/Users/yash/clean/LG.D/gcc/../../llvmgcc/gcc", metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, i1 true, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
204 !4 = metadata !{i32 524309, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !5, i32 0, null} ; [ DW_TAG_subroutine_type ]
205 !5 = metadata !{metadata !6, metadata !9, metadata !9, metadata !9, metadata !9}
206 !6 = metadata !{i32 524310, metadata !7, metadata !"SCtype", metadata !7, i32 170, i64 0, i64 0, i64 0, i32 0, metadata !8} ; [ DW_TAG_typedef ]
207 !7 = metadata !{i32 524329, metadata !"libgcc2.h", metadata !"/Users/yash/clean/LG.D/gcc/../../llvmgcc/gcc", metadata !3} ; [ DW_TAG_file_type ]
208 !8 = metadata !{i32 524324, metadata !2, metadata !"complex float", metadata !2, i32 0, i64 64, i64 32, i64 0, i32 0, i32 3} ; [ DW_TAG_base_type ]
209 !9 = metadata !{i32 524310, metadata !7, metadata !"SFtype", metadata !7, i32 167, i64 0, i64 0, i64 0, i32 0, metadata !10} ; [ DW_TAG_typedef ]
210 !10 = metadata !{i32 524324, metadata !2, metadata !"float", metadata !2, i32 0, i64 32, i64 32, i64 0, i32 0, i32 4} ; [ DW_TAG_base_type ]
211 !11 = metadata !{i32 524545, metadata !1, metadata !"b", metadata !2, i32 1921, metadata !9} ; [ DW_TAG_arg_variable ]
212 !12 = metadata !{i32 524545, metadata !1, metadata !"c", metadata !2, i32 1921, metadata !9} ; [ DW_TAG_arg_variable ]
213 !13 = metadata !{i32 524545, metadata !1, metadata !"d", metadata !2, i32 1921, metadata !9} ; [ DW_TAG_arg_variable ]
214 !14 = metadata !{i32 524544, metadata !15, metadata !"denom", metadata !2, i32 1923, metadata !9} ; [ DW_TAG_auto_variable ]
215 !15 = metadata !{i32 524299, metadata !1, i32 1922, i32 0} ; [ DW_TAG_lexical_block ]
216 !16 = metadata !{i32 524544, metadata !15, metadata !"ratio", metadata !2, i32 1923, metadata !9} ; [ DW_TAG_auto_variable ]
217 !17 = metadata !{i32 524544, metadata !15, metadata !"x", metadata !2, i32 1923, metadata !9} ; [ DW_TAG_auto_variable ]
218 !18 = metadata !{i32 524544, metadata !15, metadata !"y", metadata !2, i32 1923, metadata !9} ; [ DW_TAG_auto_variable ]
219 !19 = metadata !{i32 1929, i32 0, metadata !15, null}
220 !20 = metadata !{i32 1931, i32 0, metadata !15, null}
221 !21 = metadata !{i32 1932, i32 0, metadata !15, null}
222 !22 = metadata !{i32 1933, i32 0, metadata !15, null}
223 !23 = metadata !{i32 1934, i32 0, metadata !15, null}
224 !24 = metadata !{i32 1938, i32 0, metadata !15, null}
225 !25 = metadata !{i32 1939, i32 0, metadata !15, null}
226 !26 = metadata !{i32 1940, i32 0, metadata !15, null}
227 !27 = metadata !{i32 1941, i32 0, metadata !15, null}
228 !28 = metadata !{i32 1946, i32 0, metadata !15, null}
229 !29 = metadata !{i32 1948, i32 0, metadata !15, null}
230 !30 = metadata !{i32 1950, i32 0, metadata !15, null}
231 !31 = metadata !{i32 1951, i32 0, metadata !15, null}
232 !32 = metadata !{i32 1953, i32 0, metadata !15, null}
233 !33 = metadata !{i32 1955, i32 0, metadata !15, null}
234 !34 = metadata !{i32 1956, i32 0, metadata !15, null}
235 !35 = metadata !{i32 1957, i32 0, metadata !15, null}
236 !36 = metadata !{i32 1958, i32 0, metadata !15, null}
237 !37 = metadata !{i32 1960, i32 0, metadata !15, null}
238 !38 = metadata !{i32 1962, i32 0, metadata !15, null}
239 !39 = metadata !{i32 1963, i32 0, metadata !15, null}
240 !40 = metadata !{i32 1964, i32 0, metadata !15, null}
241 !41 = metadata !{i32 1965, i32 0, metadata !15, null}
242 !42 = metadata !{i32 1969, i32 0, metadata !15, null}