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llvm-project/llvm/test/CodeGen/X86/2010-05-25-DotDebugLoc.ll

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; RUN: llc -mtriple=x86_64-pc-linux -O2 < %s | FileCheck %s
; RUN: llc -mtriple=x86_64-pc-linux -O2 -regalloc=basic < %s | FileCheck %s
; Test to check .debug_loc support. This test case emits many debug_loc entries.
; CHECK: .short 1 # Loc expr size
; CHECK-NEXT: DW_OP_reg
%0 = type { double }
define hidden %0 @__divsc3(float %a, float %b, float %c, float %d) nounwind readnone {
entry:
tail call void @llvm.dbg.value(metadata float %a, i64 0, metadata !0, metadata !DIExpression()), !dbg !DILocation(scope: !1)
tail call void @llvm.dbg.value(metadata float %b, i64 0, metadata !11, metadata !DIExpression()), !dbg !DILocation(scope: !1)
tail call void @llvm.dbg.value(metadata float %c, i64 0, metadata !12, metadata !DIExpression()), !dbg !DILocation(scope: !1)
tail call void @llvm.dbg.value(metadata float %d, i64 0, metadata !13, metadata !DIExpression()), !dbg !DILocation(scope: !1)
%0 = tail call float @fabsf(float %c) nounwind readnone, !dbg !19 ; <float> [#uses=1]
%1 = tail call float @fabsf(float %d) nounwind readnone, !dbg !19 ; <float> [#uses=1]
%2 = fcmp olt float %0, %1, !dbg !19 ; <i1> [#uses=1]
br i1 %2, label %bb, label %bb1, !dbg !19
bb: ; preds = %entry
%3 = fdiv float %c, %d, !dbg !20 ; <float> [#uses=3]
tail call void @llvm.dbg.value(metadata float %3, i64 0, metadata !16, metadata !DIExpression()), !dbg !20
%4 = fmul float %3, %c, !dbg !21 ; <float> [#uses=1]
%5 = fadd float %4, %d, !dbg !21 ; <float> [#uses=2]
tail call void @llvm.dbg.value(metadata float %5, i64 0, metadata !14, metadata !DIExpression()), !dbg !21
%6 = fmul float %3, %a, !dbg !22 ; <float> [#uses=1]
%7 = fadd float %6, %b, !dbg !22 ; <float> [#uses=1]
%8 = fdiv float %7, %5, !dbg !22 ; <float> [#uses=1]
tail call void @llvm.dbg.value(metadata float %8, i64 0, metadata !17, metadata !DIExpression()), !dbg !22
%9 = fmul float %3, %b, !dbg !23 ; <float> [#uses=1]
%10 = fsub float %9, %a, !dbg !23 ; <float> [#uses=1]
%11 = fdiv float %10, %5, !dbg !23 ; <float> [#uses=1]
tail call void @llvm.dbg.value(metadata float %11, i64 0, metadata !18, metadata !DIExpression()), !dbg !23
br label %bb2, !dbg !23
bb1: ; preds = %entry
%12 = fdiv float %d, %c, !dbg !24 ; <float> [#uses=3]
tail call void @llvm.dbg.value(metadata float %12, i64 0, metadata !16, metadata !DIExpression()), !dbg !24
%13 = fmul float %12, %d, !dbg !25 ; <float> [#uses=1]
%14 = fadd float %13, %c, !dbg !25 ; <float> [#uses=2]
tail call void @llvm.dbg.value(metadata float %14, i64 0, metadata !14, metadata !DIExpression()), !dbg !25
%15 = fmul float %12, %b, !dbg !26 ; <float> [#uses=1]
%16 = fadd float %15, %a, !dbg !26 ; <float> [#uses=1]
%17 = fdiv float %16, %14, !dbg !26 ; <float> [#uses=1]
tail call void @llvm.dbg.value(metadata float %17, i64 0, metadata !17, metadata !DIExpression()), !dbg !26
%18 = fmul float %12, %a, !dbg !27 ; <float> [#uses=1]
%19 = fsub float %b, %18, !dbg !27 ; <float> [#uses=1]
%20 = fdiv float %19, %14, !dbg !27 ; <float> [#uses=1]
tail call void @llvm.dbg.value(metadata float %20, i64 0, metadata !18, metadata !DIExpression()), !dbg !27
br label %bb2, !dbg !27
bb2: ; preds = %bb1, %bb
%y.0 = phi float [ %11, %bb ], [ %20, %bb1 ] ; <float> [#uses=5]
%x.0 = phi float [ %8, %bb ], [ %17, %bb1 ] ; <float> [#uses=5]
%21 = fcmp uno float %x.0, 0.000000e+00, !dbg !28 ; <i1> [#uses=1]
%22 = fcmp uno float %y.0, 0.000000e+00, !dbg !28 ; <i1> [#uses=1]
%or.cond = and i1 %21, %22 ; <i1> [#uses=1]
br i1 %or.cond, label %bb4, label %bb46, !dbg !28
bb4: ; preds = %bb2
%23 = fcmp une float %c, 0.000000e+00, !dbg !29 ; <i1> [#uses=1]
%24 = fcmp une float %d, 0.000000e+00, !dbg !29 ; <i1> [#uses=1]
%or.cond93 = or i1 %23, %24 ; <i1> [#uses=1]
br i1 %or.cond93, label %bb9, label %bb6, !dbg !29
bb6: ; preds = %bb4
%25 = fcmp uno float %a, 0.000000e+00, !dbg !29 ; <i1> [#uses=1]
%26 = fcmp uno float %b, 0.000000e+00, !dbg !29 ; <i1> [#uses=1]
%or.cond94 = and i1 %25, %26 ; <i1> [#uses=1]
br i1 %or.cond94, label %bb9, label %bb8, !dbg !29
bb8: ; preds = %bb6
%27 = tail call float @copysignf(float 0x7FF0000000000000, float %c) nounwind readnone, !dbg !30 ; <float> [#uses=2]
%28 = fmul float %27, %a, !dbg !30 ; <float> [#uses=1]
tail call void @llvm.dbg.value(metadata float %28, i64 0, metadata !17, metadata !DIExpression()), !dbg !30
%29 = fmul float %27, %b, !dbg !31 ; <float> [#uses=1]
tail call void @llvm.dbg.value(metadata float %29, i64 0, metadata !18, metadata !DIExpression()), !dbg !31
br label %bb46, !dbg !31
bb9: ; preds = %bb6, %bb4
%30 = fcmp ord float %a, 0.000000e+00 ; <i1> [#uses=1]
%31 = fsub float %a, %a, !dbg !32 ; <float> [#uses=3]
%32 = fcmp uno float %31, 0.000000e+00 ; <i1> [#uses=1]
%33 = and i1 %30, %32, !dbg !32 ; <i1> [#uses=2]
br i1 %33, label %bb14, label %bb11, !dbg !32
bb11: ; preds = %bb9
%34 = fcmp ord float %b, 0.000000e+00 ; <i1> [#uses=1]
%35 = fsub float %b, %b, !dbg !32 ; <float> [#uses=1]
%36 = fcmp uno float %35, 0.000000e+00 ; <i1> [#uses=1]
%37 = and i1 %34, %36, !dbg !32 ; <i1> [#uses=1]
br i1 %37, label %bb14, label %bb27, !dbg !32
bb14: ; preds = %bb11, %bb9
%38 = fsub float %c, %c, !dbg !32 ; <float> [#uses=1]
%39 = fcmp ord float %38, 0.000000e+00 ; <i1> [#uses=1]
br i1 %39, label %bb15, label %bb27, !dbg !32
bb15: ; preds = %bb14
%40 = fsub float %d, %d, !dbg !32 ; <float> [#uses=1]
%41 = fcmp ord float %40, 0.000000e+00 ; <i1> [#uses=1]
br i1 %41, label %bb16, label %bb27, !dbg !32
bb16: ; preds = %bb15
%iftmp.0.0 = select i1 %33, float 1.000000e+00, float 0.000000e+00 ; <float> [#uses=1]
%42 = tail call float @copysignf(float %iftmp.0.0, float %a) nounwind readnone, !dbg !33 ; <float> [#uses=2]
tail call void @llvm.dbg.value(metadata float %42, i64 0, metadata !0, metadata !DIExpression()), !dbg !33
%43 = fcmp ord float %b, 0.000000e+00 ; <i1> [#uses=1]
%44 = fsub float %b, %b, !dbg !34 ; <float> [#uses=1]
%45 = fcmp uno float %44, 0.000000e+00 ; <i1> [#uses=1]
%46 = and i1 %43, %45, !dbg !34 ; <i1> [#uses=1]
%iftmp.1.0 = select i1 %46, float 1.000000e+00, float 0.000000e+00 ; <float> [#uses=1]
%47 = tail call float @copysignf(float %iftmp.1.0, float %b) nounwind readnone, !dbg !34 ; <float> [#uses=2]
tail call void @llvm.dbg.value(metadata float %47, i64 0, metadata !11, metadata !DIExpression()), !dbg !34
%48 = fmul float %42, %c, !dbg !35 ; <float> [#uses=1]
%49 = fmul float %47, %d, !dbg !35 ; <float> [#uses=1]
%50 = fadd float %48, %49, !dbg !35 ; <float> [#uses=1]
%51 = fmul float %50, 0x7FF0000000000000, !dbg !35 ; <float> [#uses=1]
tail call void @llvm.dbg.value(metadata float %51, i64 0, metadata !17, metadata !DIExpression()), !dbg !35
%52 = fmul float %47, %c, !dbg !36 ; <float> [#uses=1]
%53 = fmul float %42, %d, !dbg !36 ; <float> [#uses=1]
%54 = fsub float %52, %53, !dbg !36 ; <float> [#uses=1]
%55 = fmul float %54, 0x7FF0000000000000, !dbg !36 ; <float> [#uses=1]
tail call void @llvm.dbg.value(metadata float %55, i64 0, metadata !18, metadata !DIExpression()), !dbg !36
br label %bb46, !dbg !36
bb27: ; preds = %bb15, %bb14, %bb11
%56 = fcmp ord float %c, 0.000000e+00 ; <i1> [#uses=1]
%57 = fsub float %c, %c, !dbg !37 ; <float> [#uses=1]
%58 = fcmp uno float %57, 0.000000e+00 ; <i1> [#uses=1]
%59 = and i1 %56, %58, !dbg !37 ; <i1> [#uses=2]
br i1 %59, label %bb33, label %bb30, !dbg !37
bb30: ; preds = %bb27
%60 = fcmp ord float %d, 0.000000e+00 ; <i1> [#uses=1]
%61 = fsub float %d, %d, !dbg !37 ; <float> [#uses=1]
%62 = fcmp uno float %61, 0.000000e+00 ; <i1> [#uses=1]
%63 = and i1 %60, %62, !dbg !37 ; <i1> [#uses=1]
%64 = fcmp ord float %31, 0.000000e+00 ; <i1> [#uses=1]
%or.cond95 = and i1 %63, %64 ; <i1> [#uses=1]
br i1 %or.cond95, label %bb34, label %bb46, !dbg !37
bb33: ; preds = %bb27
%.old = fcmp ord float %31, 0.000000e+00 ; <i1> [#uses=1]
br i1 %.old, label %bb34, label %bb46, !dbg !37
bb34: ; preds = %bb33, %bb30
%65 = fsub float %b, %b, !dbg !37 ; <float> [#uses=1]
%66 = fcmp ord float %65, 0.000000e+00 ; <i1> [#uses=1]
br i1 %66, label %bb35, label %bb46, !dbg !37
bb35: ; preds = %bb34
%iftmp.2.0 = select i1 %59, float 1.000000e+00, float 0.000000e+00 ; <float> [#uses=1]
%67 = tail call float @copysignf(float %iftmp.2.0, float %c) nounwind readnone, !dbg !38 ; <float> [#uses=2]
tail call void @llvm.dbg.value(metadata float %67, i64 0, metadata !12, metadata !DIExpression()), !dbg !38
%68 = fcmp ord float %d, 0.000000e+00 ; <i1> [#uses=1]
%69 = fsub float %d, %d, !dbg !39 ; <float> [#uses=1]
%70 = fcmp uno float %69, 0.000000e+00 ; <i1> [#uses=1]
%71 = and i1 %68, %70, !dbg !39 ; <i1> [#uses=1]
%iftmp.3.0 = select i1 %71, float 1.000000e+00, float 0.000000e+00 ; <float> [#uses=1]
%72 = tail call float @copysignf(float %iftmp.3.0, float %d) nounwind readnone, !dbg !39 ; <float> [#uses=2]
tail call void @llvm.dbg.value(metadata float %72, i64 0, metadata !13, metadata !DIExpression()), !dbg !39
%73 = fmul float %67, %a, !dbg !40 ; <float> [#uses=1]
%74 = fmul float %72, %b, !dbg !40 ; <float> [#uses=1]
%75 = fadd float %73, %74, !dbg !40 ; <float> [#uses=1]
%76 = fmul float %75, 0.000000e+00, !dbg !40 ; <float> [#uses=1]
tail call void @llvm.dbg.value(metadata float %76, i64 0, metadata !17, metadata !DIExpression()), !dbg !40
%77 = fmul float %67, %b, !dbg !41 ; <float> [#uses=1]
%78 = fmul float %72, %a, !dbg !41 ; <float> [#uses=1]
%79 = fsub float %77, %78, !dbg !41 ; <float> [#uses=1]
%80 = fmul float %79, 0.000000e+00, !dbg !41 ; <float> [#uses=1]
tail call void @llvm.dbg.value(metadata float %80, i64 0, metadata !18, metadata !DIExpression()), !dbg !41
br label %bb46, !dbg !41
bb46: ; preds = %bb35, %bb34, %bb33, %bb30, %bb16, %bb8, %bb2
%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]
%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]
%81 = fmul float %y.1, 0.000000e+00, !dbg !42 ; <float> [#uses=1]
%82 = fadd float %y.1, 0.000000e+00, !dbg !42 ; <float> [#uses=1]
%tmpr = fadd float %x.1, %81, !dbg !42 ; <float> [#uses=1]
%tmp89 = bitcast float %tmpr to i32 ; <i32> [#uses=1]
%tmp90 = zext i32 %tmp89 to i64 ; <i64> [#uses=1]
%tmp85 = bitcast float %82 to i32 ; <i32> [#uses=1]
%tmp86 = zext i32 %tmp85 to i64 ; <i64> [#uses=1]
%tmp87 = shl i64 %tmp86, 32 ; <i64> [#uses=1]
%ins = or i64 %tmp90, %tmp87 ; <i64> [#uses=1]
%tmp84 = bitcast i64 %ins to double ; <double> [#uses=1]
%mrv75 = insertvalue %0 undef, double %tmp84, 0, !dbg !42 ; <%0> [#uses=1]
ret %0 %mrv75, !dbg !42
}
declare float @fabsf(float)
declare float @copysignf(float, float) nounwind readnone
declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
!llvm.dbg.cu = !{!3}
!llvm.module.flags = !{!48}
!0 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "a", line: 1921, arg: 0, scope: !1, file: !2, type: !9)
!1 = !DISubprogram(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)
!2 = !DIFile(filename: "libgcc2.c", directory: "/Users/yash/clean/LG.D/gcc/../../llvmgcc/gcc")
!3 = !DICompileUnit(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)
!4 = !DISubroutineType(types: !5)
!5 = !{!6, !9, !9, !9, !9}
!6 = !DIDerivedType(tag: DW_TAG_typedef, name: "SCtype", line: 170, file: !46, scope: !7, baseType: !8)
!7 = !DIFile(filename: "libgcc2.h", directory: "/Users/yash/clean/LG.D/gcc/../../llvmgcc/gcc")
!8 = !DIBasicType(tag: DW_TAG_base_type, name: "complex float", size: 64, align: 32, encoding: DW_ATE_complex_float)
!9 = !DIDerivedType(tag: DW_TAG_typedef, name: "SFtype", line: 167, file: !46, scope: !7, baseType: !10)
!10 = !DIBasicType(tag: DW_TAG_base_type, name: "float", size: 32, align: 32, encoding: DW_ATE_float)
!11 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "b", line: 1921, arg: 0, scope: !1, file: !2, type: !9)
!12 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "c", line: 1921, arg: 0, scope: !1, file: !2, type: !9)
!13 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "d", line: 1921, arg: 0, scope: !1, file: !2, type: !9)
!14 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "denom", line: 1923, scope: !15, file: !2, type: !9)
!15 = distinct !DILexicalBlock(line: 1922, column: 0, file: !45, scope: !1)
!16 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "ratio", line: 1923, scope: !15, file: !2, type: !9)
!17 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "x", line: 1923, scope: !15, file: !2, type: !9)
!18 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "y", line: 1923, scope: !15, file: !2, type: !9)
!19 = !DILocation(line: 1929, scope: !15)
!20 = !DILocation(line: 1931, scope: !15)
!21 = !DILocation(line: 1932, scope: !15)
!22 = !DILocation(line: 1933, scope: !15)
!23 = !DILocation(line: 1934, scope: !15)
!24 = !DILocation(line: 1938, scope: !15)
!25 = !DILocation(line: 1939, scope: !15)
!26 = !DILocation(line: 1940, scope: !15)
!27 = !DILocation(line: 1941, scope: !15)
!28 = !DILocation(line: 1946, scope: !15)
!29 = !DILocation(line: 1948, scope: !15)
!30 = !DILocation(line: 1950, scope: !15)
!31 = !DILocation(line: 1951, scope: !15)
!32 = !DILocation(line: 1953, scope: !15)
!33 = !DILocation(line: 1955, scope: !15)
!34 = !DILocation(line: 1956, scope: !15)
!35 = !DILocation(line: 1957, scope: !15)
!36 = !DILocation(line: 1958, scope: !15)
!37 = !DILocation(line: 1960, scope: !15)
!38 = !DILocation(line: 1962, scope: !15)
!39 = !DILocation(line: 1963, scope: !15)
!40 = !DILocation(line: 1964, scope: !15)
!41 = !DILocation(line: 1965, scope: !15)
!42 = !DILocation(line: 1969, scope: !15)
!43 = !{!0, !11, !12, !13, !14, !16, !17, !18}
!44 = !{!1}
!45 = !DIFile(filename: "libgcc2.c", directory: "/Users/yash/clean/LG.D/gcc/../../llvmgcc/gcc")
!46 = !DIFile(filename: "libgcc2.h", directory: "/Users/yash/clean/LG.D/gcc/../../llvmgcc/gcc")
!47 = !{}
!48 = !{i32 1, !"Debug Info Version", i32 3}
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