1 ; RUN: llc -march=x86-64 -O2 < %s | FileCheck %s
2 ; RUN: llc -march=x86-64 -O2 -regalloc=basic < %s | FileCheck %s
3 ; Test to check .debug_loc support. This test case emits many debug_loc entries.
6 ; CHECK-NEXT: DW_OP_reg
10 define hidden %0 @__divsc3(float %a, float %b, float %c, float %d) nounwind readnone {
12 tail call void @llvm.dbg.value(metadata !{float %a}, i64 0, metadata !0)
13 tail call void @llvm.dbg.value(metadata !{float %b}, i64 0, metadata !11)
14 tail call void @llvm.dbg.value(metadata !{float %c}, i64 0, metadata !12)
15 tail call void @llvm.dbg.value(metadata !{float %d}, i64 0, metadata !13)
16 %0 = tail call float @fabsf(float %c) nounwind readnone, !dbg !19 ; <float> [#uses=1]
17 %1 = tail call float @fabsf(float %d) nounwind readnone, !dbg !19 ; <float> [#uses=1]
18 %2 = fcmp olt float %0, %1, !dbg !19 ; <i1> [#uses=1]
19 br i1 %2, label %bb, label %bb1, !dbg !19
22 %3 = fdiv float %c, %d, !dbg !20 ; <float> [#uses=3]
23 tail call void @llvm.dbg.value(metadata !{float %3}, i64 0, metadata !16), !dbg !20
24 %4 = fmul float %3, %c, !dbg !21 ; <float> [#uses=1]
25 %5 = fadd float %4, %d, !dbg !21 ; <float> [#uses=2]
26 tail call void @llvm.dbg.value(metadata !{float %5}, i64 0, metadata !14), !dbg !21
27 %6 = fmul float %3, %a, !dbg !22 ; <float> [#uses=1]
28 %7 = fadd float %6, %b, !dbg !22 ; <float> [#uses=1]
29 %8 = fdiv float %7, %5, !dbg !22 ; <float> [#uses=1]
30 tail call void @llvm.dbg.value(metadata !{float %8}, i64 0, metadata !17), !dbg !22
31 %9 = fmul float %3, %b, !dbg !23 ; <float> [#uses=1]
32 %10 = fsub float %9, %a, !dbg !23 ; <float> [#uses=1]
33 %11 = fdiv float %10, %5, !dbg !23 ; <float> [#uses=1]
34 tail call void @llvm.dbg.value(metadata !{float %11}, i64 0, metadata !18), !dbg !23
35 br label %bb2, !dbg !23
38 %12 = fdiv float %d, %c, !dbg !24 ; <float> [#uses=3]
39 tail call void @llvm.dbg.value(metadata !{float %12}, i64 0, metadata !16), !dbg !24
40 %13 = fmul float %12, %d, !dbg !25 ; <float> [#uses=1]
41 %14 = fadd float %13, %c, !dbg !25 ; <float> [#uses=2]
42 tail call void @llvm.dbg.value(metadata !{float %14}, i64 0, metadata !14), !dbg !25
43 %15 = fmul float %12, %b, !dbg !26 ; <float> [#uses=1]
44 %16 = fadd float %15, %a, !dbg !26 ; <float> [#uses=1]
45 %17 = fdiv float %16, %14, !dbg !26 ; <float> [#uses=1]
46 tail call void @llvm.dbg.value(metadata !{float %17}, i64 0, metadata !17), !dbg !26
47 %18 = fmul float %12, %a, !dbg !27 ; <float> [#uses=1]
48 %19 = fsub float %b, %18, !dbg !27 ; <float> [#uses=1]
49 %20 = fdiv float %19, %14, !dbg !27 ; <float> [#uses=1]
50 tail call void @llvm.dbg.value(metadata !{float %20}, i64 0, metadata !18), !dbg !27
51 br label %bb2, !dbg !27
53 bb2: ; preds = %bb1, %bb
54 %y.0 = phi float [ %11, %bb ], [ %20, %bb1 ] ; <float> [#uses=5]
55 %x.0 = phi float [ %8, %bb ], [ %17, %bb1 ] ; <float> [#uses=5]
56 %21 = fcmp uno float %x.0, 0.000000e+00, !dbg !28 ; <i1> [#uses=1]
57 %22 = fcmp uno float %y.0, 0.000000e+00, !dbg !28 ; <i1> [#uses=1]
58 %or.cond = and i1 %21, %22 ; <i1> [#uses=1]
59 br i1 %or.cond, label %bb4, label %bb46, !dbg !28
62 %23 = fcmp une float %c, 0.000000e+00, !dbg !29 ; <i1> [#uses=1]
63 %24 = fcmp une float %d, 0.000000e+00, !dbg !29 ; <i1> [#uses=1]
64 %or.cond93 = or i1 %23, %24 ; <i1> [#uses=1]
65 br i1 %or.cond93, label %bb9, label %bb6, !dbg !29
68 %25 = fcmp uno float %a, 0.000000e+00, !dbg !29 ; <i1> [#uses=1]
69 %26 = fcmp uno float %b, 0.000000e+00, !dbg !29 ; <i1> [#uses=1]
70 %or.cond94 = and i1 %25, %26 ; <i1> [#uses=1]
71 br i1 %or.cond94, label %bb9, label %bb8, !dbg !29
74 %27 = tail call float @copysignf(float 0x7FF0000000000000, float %c) nounwind readnone, !dbg !30 ; <float> [#uses=2]
75 %28 = fmul float %27, %a, !dbg !30 ; <float> [#uses=1]
76 tail call void @llvm.dbg.value(metadata !{float %28}, i64 0, metadata !17), !dbg !30
77 %29 = fmul float %27, %b, !dbg !31 ; <float> [#uses=1]
78 tail call void @llvm.dbg.value(metadata !{float %29}, i64 0, metadata !18), !dbg !31
79 br label %bb46, !dbg !31
81 bb9: ; preds = %bb6, %bb4
82 %30 = fcmp ord float %a, 0.000000e+00 ; <i1> [#uses=1]
83 %31 = fsub float %a, %a, !dbg !32 ; <float> [#uses=3]
84 %32 = fcmp uno float %31, 0.000000e+00 ; <i1> [#uses=1]
85 %33 = and i1 %30, %32, !dbg !32 ; <i1> [#uses=2]
86 br i1 %33, label %bb14, label %bb11, !dbg !32
89 %34 = fcmp ord float %b, 0.000000e+00 ; <i1> [#uses=1]
90 %35 = fsub float %b, %b, !dbg !32 ; <float> [#uses=1]
91 %36 = fcmp uno float %35, 0.000000e+00 ; <i1> [#uses=1]
92 %37 = and i1 %34, %36, !dbg !32 ; <i1> [#uses=1]
93 br i1 %37, label %bb14, label %bb27, !dbg !32
95 bb14: ; preds = %bb11, %bb9
96 %38 = fsub float %c, %c, !dbg !32 ; <float> [#uses=1]
97 %39 = fcmp ord float %38, 0.000000e+00 ; <i1> [#uses=1]
98 br i1 %39, label %bb15, label %bb27, !dbg !32
100 bb15: ; preds = %bb14
101 %40 = fsub float %d, %d, !dbg !32 ; <float> [#uses=1]
102 %41 = fcmp ord float %40, 0.000000e+00 ; <i1> [#uses=1]
103 br i1 %41, label %bb16, label %bb27, !dbg !32
105 bb16: ; preds = %bb15
106 %iftmp.0.0 = select i1 %33, float 1.000000e+00, float 0.000000e+00 ; <float> [#uses=1]
107 %42 = tail call float @copysignf(float %iftmp.0.0, float %a) nounwind readnone, !dbg !33 ; <float> [#uses=2]
108 tail call void @llvm.dbg.value(metadata !{float %42}, i64 0, metadata !0), !dbg !33
109 %43 = fcmp ord float %b, 0.000000e+00 ; <i1> [#uses=1]
110 %44 = fsub float %b, %b, !dbg !34 ; <float> [#uses=1]
111 %45 = fcmp uno float %44, 0.000000e+00 ; <i1> [#uses=1]
112 %46 = and i1 %43, %45, !dbg !34 ; <i1> [#uses=1]
113 %iftmp.1.0 = select i1 %46, float 1.000000e+00, float 0.000000e+00 ; <float> [#uses=1]
114 %47 = tail call float @copysignf(float %iftmp.1.0, float %b) nounwind readnone, !dbg !34 ; <float> [#uses=2]
115 tail call void @llvm.dbg.value(metadata !{float %47}, i64 0, metadata !11), !dbg !34
116 %48 = fmul float %42, %c, !dbg !35 ; <float> [#uses=1]
117 %49 = fmul float %47, %d, !dbg !35 ; <float> [#uses=1]
118 %50 = fadd float %48, %49, !dbg !35 ; <float> [#uses=1]
119 %51 = fmul float %50, 0x7FF0000000000000, !dbg !35 ; <float> [#uses=1]
120 tail call void @llvm.dbg.value(metadata !{float %51}, i64 0, metadata !17), !dbg !35
121 %52 = fmul float %47, %c, !dbg !36 ; <float> [#uses=1]
122 %53 = fmul float %42, %d, !dbg !36 ; <float> [#uses=1]
123 %54 = fsub float %52, %53, !dbg !36 ; <float> [#uses=1]
124 %55 = fmul float %54, 0x7FF0000000000000, !dbg !36 ; <float> [#uses=1]
125 tail call void @llvm.dbg.value(metadata !{float %55}, i64 0, metadata !18), !dbg !36
126 br label %bb46, !dbg !36
128 bb27: ; preds = %bb15, %bb14, %bb11
129 %56 = fcmp ord float %c, 0.000000e+00 ; <i1> [#uses=1]
130 %57 = fsub float %c, %c, !dbg !37 ; <float> [#uses=1]
131 %58 = fcmp uno float %57, 0.000000e+00 ; <i1> [#uses=1]
132 %59 = and i1 %56, %58, !dbg !37 ; <i1> [#uses=2]
133 br i1 %59, label %bb33, label %bb30, !dbg !37
135 bb30: ; preds = %bb27
136 %60 = fcmp ord float %d, 0.000000e+00 ; <i1> [#uses=1]
137 %61 = fsub float %d, %d, !dbg !37 ; <float> [#uses=1]
138 %62 = fcmp uno float %61, 0.000000e+00 ; <i1> [#uses=1]
139 %63 = and i1 %60, %62, !dbg !37 ; <i1> [#uses=1]
140 %64 = fcmp ord float %31, 0.000000e+00 ; <i1> [#uses=1]
141 %or.cond95 = and i1 %63, %64 ; <i1> [#uses=1]
142 br i1 %or.cond95, label %bb34, label %bb46, !dbg !37
144 bb33: ; preds = %bb27
145 %.old = fcmp ord float %31, 0.000000e+00 ; <i1> [#uses=1]
146 br i1 %.old, label %bb34, label %bb46, !dbg !37
148 bb34: ; preds = %bb33, %bb30
149 %65 = fsub float %b, %b, !dbg !37 ; <float> [#uses=1]
150 %66 = fcmp ord float %65, 0.000000e+00 ; <i1> [#uses=1]
151 br i1 %66, label %bb35, label %bb46, !dbg !37
153 bb35: ; preds = %bb34
154 %iftmp.2.0 = select i1 %59, float 1.000000e+00, float 0.000000e+00 ; <float> [#uses=1]
155 %67 = tail call float @copysignf(float %iftmp.2.0, float %c) nounwind readnone, !dbg !38 ; <float> [#uses=2]
156 tail call void @llvm.dbg.value(metadata !{float %67}, i64 0, metadata !12), !dbg !38
157 %68 = fcmp ord float %d, 0.000000e+00 ; <i1> [#uses=1]
158 %69 = fsub float %d, %d, !dbg !39 ; <float> [#uses=1]
159 %70 = fcmp uno float %69, 0.000000e+00 ; <i1> [#uses=1]
160 %71 = and i1 %68, %70, !dbg !39 ; <i1> [#uses=1]
161 %iftmp.3.0 = select i1 %71, float 1.000000e+00, float 0.000000e+00 ; <float> [#uses=1]
162 %72 = tail call float @copysignf(float %iftmp.3.0, float %d) nounwind readnone, !dbg !39 ; <float> [#uses=2]
163 tail call void @llvm.dbg.value(metadata !{float %72}, i64 0, metadata !13), !dbg !39
164 %73 = fmul float %67, %a, !dbg !40 ; <float> [#uses=1]
165 %74 = fmul float %72, %b, !dbg !40 ; <float> [#uses=1]
166 %75 = fadd float %73, %74, !dbg !40 ; <float> [#uses=1]
167 %76 = fmul float %75, 0.000000e+00, !dbg !40 ; <float> [#uses=1]
168 tail call void @llvm.dbg.value(metadata !{float %76}, i64 0, metadata !17), !dbg !40
169 %77 = fmul float %67, %b, !dbg !41 ; <float> [#uses=1]
170 %78 = fmul float %72, %a, !dbg !41 ; <float> [#uses=1]
171 %79 = fsub float %77, %78, !dbg !41 ; <float> [#uses=1]
172 %80 = fmul float %79, 0.000000e+00, !dbg !41 ; <float> [#uses=1]
173 tail call void @llvm.dbg.value(metadata !{float %80}, i64 0, metadata !18), !dbg !41
174 br label %bb46, !dbg !41
176 bb46: ; preds = %bb35, %bb34, %bb33, %bb30, %bb16, %bb8, %bb2
177 %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]
178 %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]
179 %81 = fmul float %y.1, 0.000000e+00, !dbg !42 ; <float> [#uses=1]
180 %82 = fadd float %y.1, 0.000000e+00, !dbg !42 ; <float> [#uses=1]
181 %tmpr = fadd float %x.1, %81, !dbg !42 ; <float> [#uses=1]
182 %tmp89 = bitcast float %tmpr to i32 ; <i32> [#uses=1]
183 %tmp90 = zext i32 %tmp89 to i64 ; <i64> [#uses=1]
184 %tmp85 = bitcast float %82 to i32 ; <i32> [#uses=1]
185 %tmp86 = zext i32 %tmp85 to i64 ; <i64> [#uses=1]
186 %tmp87 = shl i64 %tmp86, 32 ; <i64> [#uses=1]
187 %ins = or i64 %tmp90, %tmp87 ; <i64> [#uses=1]
188 %tmp84 = bitcast i64 %ins to double ; <double> [#uses=1]
189 %mrv75 = insertvalue %0 undef, double %tmp84, 0, !dbg !42 ; <%0> [#uses=1]
190 ret %0 %mrv75, !dbg !42
193 declare float @fabsf(float)
195 declare float @copysignf(float, float) nounwind readnone
197 declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
199 !llvm.dbg.lv = !{!0, !11, !12, !13, !14, !16, !17, !18}
201 !0 = metadata !{i32 524545, metadata !1, metadata !"a", metadata !2, i32 1921, metadata !9} ; [ DW_TAG_arg_variable ]
202 !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 ]
203 !2 = metadata !{i32 524329, metadata !"libgcc2.c", metadata !"/Users/yash/clean/LG.D/gcc/../../llvmgcc/gcc", metadata !3} ; [ DW_TAG_file_type ]
204 !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 ]
205 !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 ]
206 !5 = metadata !{metadata !6, metadata !9, metadata !9, metadata !9, metadata !9}
207 !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 ]
208 !7 = metadata !{i32 524329, metadata !"libgcc2.h", metadata !"/Users/yash/clean/LG.D/gcc/../../llvmgcc/gcc", metadata !3} ; [ DW_TAG_file_type ]
209 !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 ]
210 !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 ]
211 !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 ]
212 !11 = metadata !{i32 524545, metadata !1, metadata !"b", metadata !2, i32 1921, metadata !9} ; [ DW_TAG_arg_variable ]
213 !12 = metadata !{i32 524545, metadata !1, metadata !"c", metadata !2, i32 1921, metadata !9} ; [ DW_TAG_arg_variable ]
214 !13 = metadata !{i32 524545, metadata !1, metadata !"d", metadata !2, i32 1921, metadata !9} ; [ DW_TAG_arg_variable ]
215 !14 = metadata !{i32 524544, metadata !15, metadata !"denom", metadata !2, i32 1923, metadata !9} ; [ DW_TAG_auto_variable ]
216 !15 = metadata !{i32 524299, metadata !1, i32 1922, i32 0} ; [ DW_TAG_lexical_block ]
217 !16 = metadata !{i32 524544, metadata !15, metadata !"ratio", metadata !2, i32 1923, metadata !9} ; [ DW_TAG_auto_variable ]
218 !17 = metadata !{i32 524544, metadata !15, metadata !"x", metadata !2, i32 1923, metadata !9} ; [ DW_TAG_auto_variable ]
219 !18 = metadata !{i32 524544, metadata !15, metadata !"y", metadata !2, i32 1923, metadata !9} ; [ DW_TAG_auto_variable ]
220 !19 = metadata !{i32 1929, i32 0, metadata !15, null}
221 !20 = metadata !{i32 1931, i32 0, metadata !15, null}
222 !21 = metadata !{i32 1932, i32 0, metadata !15, null}
223 !22 = metadata !{i32 1933, i32 0, metadata !15, null}
224 !23 = metadata !{i32 1934, i32 0, metadata !15, null}
225 !24 = metadata !{i32 1938, i32 0, metadata !15, null}
226 !25 = metadata !{i32 1939, i32 0, metadata !15, null}
227 !26 = metadata !{i32 1940, i32 0, metadata !15, null}
228 !27 = metadata !{i32 1941, i32 0, metadata !15, null}
229 !28 = metadata !{i32 1946, i32 0, metadata !15, null}
230 !29 = metadata !{i32 1948, i32 0, metadata !15, null}
231 !30 = metadata !{i32 1950, i32 0, metadata !15, null}
232 !31 = metadata !{i32 1951, i32 0, metadata !15, null}
233 !32 = metadata !{i32 1953, i32 0, metadata !15, null}
234 !33 = metadata !{i32 1955, i32 0, metadata !15, null}
235 !34 = metadata !{i32 1956, i32 0, metadata !15, null}
236 !35 = metadata !{i32 1957, i32 0, metadata !15, null}
237 !36 = metadata !{i32 1958, i32 0, metadata !15, null}
238 !37 = metadata !{i32 1960, i32 0, metadata !15, null}
239 !38 = metadata !{i32 1962, i32 0, metadata !15, null}
240 !39 = metadata !{i32 1963, i32 0, metadata !15, null}
241 !40 = metadata !{i32 1964, i32 0, metadata !15, null}
242 !41 = metadata !{i32 1965, i32 0, metadata !15, null}
243 !42 = metadata !{i32 1969, i32 0, metadata !15, null}