1 ; RUN: llc -mtriple=x86_64-pc-linux -O2 < %s | FileCheck %s
2 ; RUN: llc -mtriple=x86_64-pc-linux -O2 -regalloc=basic < %s | FileCheck %s
3 ; Test to check .debug_loc support. This test case emits many debug_loc entries.
5 ; CHECK: .short {{.*}} # Loc expr size
7 ; CHECK-NEXT: DW_OP_reg
11 define hidden %0 @__divsc3(float %a, float %b, float %c, float %d) nounwind readnone {
13 tail call void @llvm.dbg.value(metadata float %a, i64 0, metadata !0, metadata !MDExpression())
14 tail call void @llvm.dbg.value(metadata float %b, i64 0, metadata !11, metadata !MDExpression())
15 tail call void @llvm.dbg.value(metadata float %c, i64 0, metadata !12, metadata !MDExpression())
16 tail call void @llvm.dbg.value(metadata float %d, i64 0, metadata !13, metadata !MDExpression())
17 %0 = tail call float @fabsf(float %c) nounwind readnone, !dbg !19 ; <float> [#uses=1]
18 %1 = tail call float @fabsf(float %d) nounwind readnone, !dbg !19 ; <float> [#uses=1]
19 %2 = fcmp olt float %0, %1, !dbg !19 ; <i1> [#uses=1]
20 br i1 %2, label %bb, label %bb1, !dbg !19
23 %3 = fdiv float %c, %d, !dbg !20 ; <float> [#uses=3]
24 tail call void @llvm.dbg.value(metadata float %3, i64 0, metadata !16, metadata !MDExpression()), !dbg !20
25 %4 = fmul float %3, %c, !dbg !21 ; <float> [#uses=1]
26 %5 = fadd float %4, %d, !dbg !21 ; <float> [#uses=2]
27 tail call void @llvm.dbg.value(metadata float %5, i64 0, metadata !14, metadata !MDExpression()), !dbg !21
28 %6 = fmul float %3, %a, !dbg !22 ; <float> [#uses=1]
29 %7 = fadd float %6, %b, !dbg !22 ; <float> [#uses=1]
30 %8 = fdiv float %7, %5, !dbg !22 ; <float> [#uses=1]
31 tail call void @llvm.dbg.value(metadata float %8, i64 0, metadata !17, metadata !MDExpression()), !dbg !22
32 %9 = fmul float %3, %b, !dbg !23 ; <float> [#uses=1]
33 %10 = fsub float %9, %a, !dbg !23 ; <float> [#uses=1]
34 %11 = fdiv float %10, %5, !dbg !23 ; <float> [#uses=1]
35 tail call void @llvm.dbg.value(metadata float %11, i64 0, metadata !18, metadata !MDExpression()), !dbg !23
36 br label %bb2, !dbg !23
39 %12 = fdiv float %d, %c, !dbg !24 ; <float> [#uses=3]
40 tail call void @llvm.dbg.value(metadata float %12, i64 0, metadata !16, metadata !MDExpression()), !dbg !24
41 %13 = fmul float %12, %d, !dbg !25 ; <float> [#uses=1]
42 %14 = fadd float %13, %c, !dbg !25 ; <float> [#uses=2]
43 tail call void @llvm.dbg.value(metadata float %14, i64 0, metadata !14, metadata !MDExpression()), !dbg !25
44 %15 = fmul float %12, %b, !dbg !26 ; <float> [#uses=1]
45 %16 = fadd float %15, %a, !dbg !26 ; <float> [#uses=1]
46 %17 = fdiv float %16, %14, !dbg !26 ; <float> [#uses=1]
47 tail call void @llvm.dbg.value(metadata float %17, i64 0, metadata !17, metadata !MDExpression()), !dbg !26
48 %18 = fmul float %12, %a, !dbg !27 ; <float> [#uses=1]
49 %19 = fsub float %b, %18, !dbg !27 ; <float> [#uses=1]
50 %20 = fdiv float %19, %14, !dbg !27 ; <float> [#uses=1]
51 tail call void @llvm.dbg.value(metadata float %20, i64 0, metadata !18, metadata !MDExpression()), !dbg !27
52 br label %bb2, !dbg !27
54 bb2: ; preds = %bb1, %bb
55 %y.0 = phi float [ %11, %bb ], [ %20, %bb1 ] ; <float> [#uses=5]
56 %x.0 = phi float [ %8, %bb ], [ %17, %bb1 ] ; <float> [#uses=5]
57 %21 = fcmp uno float %x.0, 0.000000e+00, !dbg !28 ; <i1> [#uses=1]
58 %22 = fcmp uno float %y.0, 0.000000e+00, !dbg !28 ; <i1> [#uses=1]
59 %or.cond = and i1 %21, %22 ; <i1> [#uses=1]
60 br i1 %or.cond, label %bb4, label %bb46, !dbg !28
63 %23 = fcmp une float %c, 0.000000e+00, !dbg !29 ; <i1> [#uses=1]
64 %24 = fcmp une float %d, 0.000000e+00, !dbg !29 ; <i1> [#uses=1]
65 %or.cond93 = or i1 %23, %24 ; <i1> [#uses=1]
66 br i1 %or.cond93, label %bb9, label %bb6, !dbg !29
69 %25 = fcmp uno float %a, 0.000000e+00, !dbg !29 ; <i1> [#uses=1]
70 %26 = fcmp uno float %b, 0.000000e+00, !dbg !29 ; <i1> [#uses=1]
71 %or.cond94 = and i1 %25, %26 ; <i1> [#uses=1]
72 br i1 %or.cond94, label %bb9, label %bb8, !dbg !29
75 %27 = tail call float @copysignf(float 0x7FF0000000000000, float %c) nounwind readnone, !dbg !30 ; <float> [#uses=2]
76 %28 = fmul float %27, %a, !dbg !30 ; <float> [#uses=1]
77 tail call void @llvm.dbg.value(metadata float %28, i64 0, metadata !17, metadata !MDExpression()), !dbg !30
78 %29 = fmul float %27, %b, !dbg !31 ; <float> [#uses=1]
79 tail call void @llvm.dbg.value(metadata float %29, i64 0, metadata !18, metadata !MDExpression()), !dbg !31
80 br label %bb46, !dbg !31
82 bb9: ; preds = %bb6, %bb4
83 %30 = fcmp ord float %a, 0.000000e+00 ; <i1> [#uses=1]
84 %31 = fsub float %a, %a, !dbg !32 ; <float> [#uses=3]
85 %32 = fcmp uno float %31, 0.000000e+00 ; <i1> [#uses=1]
86 %33 = and i1 %30, %32, !dbg !32 ; <i1> [#uses=2]
87 br i1 %33, label %bb14, label %bb11, !dbg !32
90 %34 = fcmp ord float %b, 0.000000e+00 ; <i1> [#uses=1]
91 %35 = fsub float %b, %b, !dbg !32 ; <float> [#uses=1]
92 %36 = fcmp uno float %35, 0.000000e+00 ; <i1> [#uses=1]
93 %37 = and i1 %34, %36, !dbg !32 ; <i1> [#uses=1]
94 br i1 %37, label %bb14, label %bb27, !dbg !32
96 bb14: ; preds = %bb11, %bb9
97 %38 = fsub float %c, %c, !dbg !32 ; <float> [#uses=1]
98 %39 = fcmp ord float %38, 0.000000e+00 ; <i1> [#uses=1]
99 br i1 %39, label %bb15, label %bb27, !dbg !32
101 bb15: ; preds = %bb14
102 %40 = fsub float %d, %d, !dbg !32 ; <float> [#uses=1]
103 %41 = fcmp ord float %40, 0.000000e+00 ; <i1> [#uses=1]
104 br i1 %41, label %bb16, label %bb27, !dbg !32
106 bb16: ; preds = %bb15
107 %iftmp.0.0 = select i1 %33, float 1.000000e+00, float 0.000000e+00 ; <float> [#uses=1]
108 %42 = tail call float @copysignf(float %iftmp.0.0, float %a) nounwind readnone, !dbg !33 ; <float> [#uses=2]
109 tail call void @llvm.dbg.value(metadata float %42, i64 0, metadata !0, metadata !MDExpression()), !dbg !33
110 %43 = fcmp ord float %b, 0.000000e+00 ; <i1> [#uses=1]
111 %44 = fsub float %b, %b, !dbg !34 ; <float> [#uses=1]
112 %45 = fcmp uno float %44, 0.000000e+00 ; <i1> [#uses=1]
113 %46 = and i1 %43, %45, !dbg !34 ; <i1> [#uses=1]
114 %iftmp.1.0 = select i1 %46, float 1.000000e+00, float 0.000000e+00 ; <float> [#uses=1]
115 %47 = tail call float @copysignf(float %iftmp.1.0, float %b) nounwind readnone, !dbg !34 ; <float> [#uses=2]
116 tail call void @llvm.dbg.value(metadata float %47, i64 0, metadata !11, metadata !MDExpression()), !dbg !34
117 %48 = fmul float %42, %c, !dbg !35 ; <float> [#uses=1]
118 %49 = fmul float %47, %d, !dbg !35 ; <float> [#uses=1]
119 %50 = fadd float %48, %49, !dbg !35 ; <float> [#uses=1]
120 %51 = fmul float %50, 0x7FF0000000000000, !dbg !35 ; <float> [#uses=1]
121 tail call void @llvm.dbg.value(metadata float %51, i64 0, metadata !17, metadata !MDExpression()), !dbg !35
122 %52 = fmul float %47, %c, !dbg !36 ; <float> [#uses=1]
123 %53 = fmul float %42, %d, !dbg !36 ; <float> [#uses=1]
124 %54 = fsub float %52, %53, !dbg !36 ; <float> [#uses=1]
125 %55 = fmul float %54, 0x7FF0000000000000, !dbg !36 ; <float> [#uses=1]
126 tail call void @llvm.dbg.value(metadata float %55, i64 0, metadata !18, metadata !MDExpression()), !dbg !36
127 br label %bb46, !dbg !36
129 bb27: ; preds = %bb15, %bb14, %bb11
130 %56 = fcmp ord float %c, 0.000000e+00 ; <i1> [#uses=1]
131 %57 = fsub float %c, %c, !dbg !37 ; <float> [#uses=1]
132 %58 = fcmp uno float %57, 0.000000e+00 ; <i1> [#uses=1]
133 %59 = and i1 %56, %58, !dbg !37 ; <i1> [#uses=2]
134 br i1 %59, label %bb33, label %bb30, !dbg !37
136 bb30: ; preds = %bb27
137 %60 = fcmp ord float %d, 0.000000e+00 ; <i1> [#uses=1]
138 %61 = fsub float %d, %d, !dbg !37 ; <float> [#uses=1]
139 %62 = fcmp uno float %61, 0.000000e+00 ; <i1> [#uses=1]
140 %63 = and i1 %60, %62, !dbg !37 ; <i1> [#uses=1]
141 %64 = fcmp ord float %31, 0.000000e+00 ; <i1> [#uses=1]
142 %or.cond95 = and i1 %63, %64 ; <i1> [#uses=1]
143 br i1 %or.cond95, label %bb34, label %bb46, !dbg !37
145 bb33: ; preds = %bb27
146 %.old = fcmp ord float %31, 0.000000e+00 ; <i1> [#uses=1]
147 br i1 %.old, label %bb34, label %bb46, !dbg !37
149 bb34: ; preds = %bb33, %bb30
150 %65 = fsub float %b, %b, !dbg !37 ; <float> [#uses=1]
151 %66 = fcmp ord float %65, 0.000000e+00 ; <i1> [#uses=1]
152 br i1 %66, label %bb35, label %bb46, !dbg !37
154 bb35: ; preds = %bb34
155 %iftmp.2.0 = select i1 %59, float 1.000000e+00, float 0.000000e+00 ; <float> [#uses=1]
156 %67 = tail call float @copysignf(float %iftmp.2.0, float %c) nounwind readnone, !dbg !38 ; <float> [#uses=2]
157 tail call void @llvm.dbg.value(metadata float %67, i64 0, metadata !12, metadata !MDExpression()), !dbg !38
158 %68 = fcmp ord float %d, 0.000000e+00 ; <i1> [#uses=1]
159 %69 = fsub float %d, %d, !dbg !39 ; <float> [#uses=1]
160 %70 = fcmp uno float %69, 0.000000e+00 ; <i1> [#uses=1]
161 %71 = and i1 %68, %70, !dbg !39 ; <i1> [#uses=1]
162 %iftmp.3.0 = select i1 %71, float 1.000000e+00, float 0.000000e+00 ; <float> [#uses=1]
163 %72 = tail call float @copysignf(float %iftmp.3.0, float %d) nounwind readnone, !dbg !39 ; <float> [#uses=2]
164 tail call void @llvm.dbg.value(metadata float %72, i64 0, metadata !13, metadata !MDExpression()), !dbg !39
165 %73 = fmul float %67, %a, !dbg !40 ; <float> [#uses=1]
166 %74 = fmul float %72, %b, !dbg !40 ; <float> [#uses=1]
167 %75 = fadd float %73, %74, !dbg !40 ; <float> [#uses=1]
168 %76 = fmul float %75, 0.000000e+00, !dbg !40 ; <float> [#uses=1]
169 tail call void @llvm.dbg.value(metadata float %76, i64 0, metadata !17, metadata !MDExpression()), !dbg !40
170 %77 = fmul float %67, %b, !dbg !41 ; <float> [#uses=1]
171 %78 = fmul float %72, %a, !dbg !41 ; <float> [#uses=1]
172 %79 = fsub float %77, %78, !dbg !41 ; <float> [#uses=1]
173 %80 = fmul float %79, 0.000000e+00, !dbg !41 ; <float> [#uses=1]
174 tail call void @llvm.dbg.value(metadata float %80, i64 0, metadata !18, metadata !MDExpression()), !dbg !41
175 br label %bb46, !dbg !41
177 bb46: ; preds = %bb35, %bb34, %bb33, %bb30, %bb16, %bb8, %bb2
178 %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]
179 %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]
180 %81 = fmul float %y.1, 0.000000e+00, !dbg !42 ; <float> [#uses=1]
181 %82 = fadd float %y.1, 0.000000e+00, !dbg !42 ; <float> [#uses=1]
182 %tmpr = fadd float %x.1, %81, !dbg !42 ; <float> [#uses=1]
183 %tmp89 = bitcast float %tmpr to i32 ; <i32> [#uses=1]
184 %tmp90 = zext i32 %tmp89 to i64 ; <i64> [#uses=1]
185 %tmp85 = bitcast float %82 to i32 ; <i32> [#uses=1]
186 %tmp86 = zext i32 %tmp85 to i64 ; <i64> [#uses=1]
187 %tmp87 = shl i64 %tmp86, 32 ; <i64> [#uses=1]
188 %ins = or i64 %tmp90, %tmp87 ; <i64> [#uses=1]
189 %tmp84 = bitcast i64 %ins to double ; <double> [#uses=1]
190 %mrv75 = insertvalue %0 undef, double %tmp84, 0, !dbg !42 ; <%0> [#uses=1]
191 ret %0 %mrv75, !dbg !42
194 declare float @fabsf(float)
196 declare float @copysignf(float, float) nounwind readnone
198 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
201 !llvm.module.flags = !{!48}
203 !0 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "a", line: 1921, arg: 0, scope: !1, file: !2, type: !9)
204 !1 = !MDSubprogram(name: "__divsc3", linkageName: "__divsc3", line: 1922, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, scopeLine: 1922, file: !45, scope: !2, type: !4, function: %0 (float, float, float, float)* @__divsc3, variables: !43)
205 !2 = !MDFile(filename: "libgcc2.c", directory: "/Users/yash/clean/LG.D/gcc/../../llvmgcc/gcc")
206 !3 = !MDCompileUnit(language: DW_LANG_C89, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: true, emissionKind: 1, file: !45, enums: !47, retainedTypes: !47, subprograms: !44, imports: null)
207 !4 = !MDSubroutineType(types: !5)
208 !5 = !{!6, !9, !9, !9, !9}
209 !6 = !MDDerivedType(tag: DW_TAG_typedef, name: "SCtype", line: 170, file: !46, scope: !7, baseType: !8)
210 !7 = !MDFile(filename: "libgcc2.h", directory: "/Users/yash/clean/LG.D/gcc/../../llvmgcc/gcc")
211 !8 = !MDBasicType(tag: DW_TAG_base_type, name: "complex float", size: 64, align: 32, encoding: DW_ATE_complex_float)
212 !9 = !MDDerivedType(tag: DW_TAG_typedef, name: "SFtype", line: 167, file: !46, scope: !7, baseType: !10)
213 !10 = !MDBasicType(tag: DW_TAG_base_type, name: "float", size: 32, align: 32, encoding: DW_ATE_float)
214 !11 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "b", line: 1921, arg: 0, scope: !1, file: !2, type: !9)
215 !12 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "c", line: 1921, arg: 0, scope: !1, file: !2, type: !9)
216 !13 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "d", line: 1921, arg: 0, scope: !1, file: !2, type: !9)
217 !14 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "denom", line: 1923, scope: !15, file: !2, type: !9)
218 !15 = distinct !MDLexicalBlock(line: 1922, column: 0, file: !45, scope: !1)
219 !16 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "ratio", line: 1923, scope: !15, file: !2, type: !9)
220 !17 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "x", line: 1923, scope: !15, file: !2, type: !9)
221 !18 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "y", line: 1923, scope: !15, file: !2, type: !9)
222 !19 = !MDLocation(line: 1929, scope: !15)
223 !20 = !MDLocation(line: 1931, scope: !15)
224 !21 = !MDLocation(line: 1932, scope: !15)
225 !22 = !MDLocation(line: 1933, scope: !15)
226 !23 = !MDLocation(line: 1934, scope: !15)
227 !24 = !MDLocation(line: 1938, scope: !15)
228 !25 = !MDLocation(line: 1939, scope: !15)
229 !26 = !MDLocation(line: 1940, scope: !15)
230 !27 = !MDLocation(line: 1941, scope: !15)
231 !28 = !MDLocation(line: 1946, scope: !15)
232 !29 = !MDLocation(line: 1948, scope: !15)
233 !30 = !MDLocation(line: 1950, scope: !15)
234 !31 = !MDLocation(line: 1951, scope: !15)
235 !32 = !MDLocation(line: 1953, scope: !15)
236 !33 = !MDLocation(line: 1955, scope: !15)
237 !34 = !MDLocation(line: 1956, scope: !15)
238 !35 = !MDLocation(line: 1957, scope: !15)
239 !36 = !MDLocation(line: 1958, scope: !15)
240 !37 = !MDLocation(line: 1960, scope: !15)
241 !38 = !MDLocation(line: 1962, scope: !15)
242 !39 = !MDLocation(line: 1963, scope: !15)
243 !40 = !MDLocation(line: 1964, scope: !15)
244 !41 = !MDLocation(line: 1965, scope: !15)
245 !42 = !MDLocation(line: 1969, scope: !15)
246 !43 = !{!0, !11, !12, !13, !14, !16, !17, !18}
248 !45 = !MDFile(filename: "libgcc2.c", directory: "/Users/yash/clean/LG.D/gcc/../../llvmgcc/gcc")
249 !46 = !MDFile(filename: "libgcc2.h", directory: "/Users/yash/clean/LG.D/gcc/../../llvmgcc/gcc")
251 !48 = !{i32 1, !"Debug Info Version", i32 3}