| ; REQUIRES: x86_64-linux | 
 | ; REQUIRES: asserts | 
 | ; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/pseudo-probe-stale-profile-matching.prof --salvage-stale-profile -S --debug-only=sample-profile,sample-profile-matcher,sample-profile-impl 2>&1 | FileCheck %s | 
 |  | 
 | ; The profiled source code: | 
 |  | 
 | ;  volatile int x = 1; | 
 | ;  __attribute__((noinline)) int bar(int p) { | 
 | ;    return p; | 
 | ;  } | 
 |  | 
 | ;  __attribute__((always_inline)) int foo(int i, int p) { | 
 | ;    if (i % 10) return  bar(p); | 
 | ;    else return bar(p + 1); | 
 | ;  } | 
 |  | 
 | ;  int main() { | 
 | ;    for (int i = 0; i < 1000 * 1000; i++) { | 
 | ;       x += foo(i, x); | 
 | ;       x += bar(x); | 
 | ;       x += foo(i, x); | 
 | ;       x += bar(x); | 
 | ;    } | 
 | ;  } | 
 |  | 
 | ; The source code for the current build: | 
 |  | 
 | ;  volatile int x = 1; | 
 | ;  __attribute__((noinline)) int bar(int p) { | 
 | ;    return p; | 
 | ;  } | 
 |  | 
 | ;  __attribute__((always_inline)) int foo(int i, int p) { | 
 | ;    if (i % 10) return  bar(p); | 
 | ;    else return bar(p + 1); | 
 | ;  } | 
 |  | 
 | ;  int main() { | 
 | ;    if (x == 0)          // code change | 
 | ;      return 0;          // code change | 
 | ;    for (int i = 0; i < 1000 * 1000; i++) { | 
 | ;       x += foo(i, x); | 
 | ;       x += bar(x); | 
 | ;       if (i < 0)        // code change | 
 | ;         return 0;       // code change | 
 | ;       x += foo(i, x); | 
 | ;       x += bar(x); | 
 | ;    } | 
 | ;  } | 
 |  | 
 | ; Verify not running profile matching for checksum matched function. | 
 | ; CHECK-NOT: Run stale profile matching for bar | 
 |  | 
 | ; CHECK: Run stale profile matching for main | 
 |  | 
 | ; CHECK: Location is matched from 1 to 1 | 
 | ; CHECK: Location is matched from 2 to 2 | 
 | ; CHECK: Location is matched from 3 to 3 | 
 | ; CHECK: Location is matched from 4 to 4 | 
 | ; CHECK: Location is matched from 5 to 5 | 
 | ; CHECK: Location is matched from 6 to 6 | 
 | ; CHECK: Location is matched from 7 to 7 | 
 | ; CHECK: Location is matched from 8 to 8 | 
 | ; CHECK: Location is matched from 9 to 9 | 
 | ; CHECK: Location is matched from 10 to 10 | 
 | ; CHECK: Location is matched from 11 to 11 | 
 |  | 
 | ; CHECK: Callsite with callee:foo is matched from 13 to 6 | 
 | ; CHECK: Location is rematched backwards from 7 to 0 | 
 | ; CHECK: Location is rematched backwards from 8 to 1 | 
 | ; CHECK: Location is rematched backwards from 9 to 2 | 
 | ; CHECK: Location is rematched backwards from 10 to 3 | 
 | ; CHECK: Location is rematched backwards from 11 to 4 | 
 | ; CHECK: Callsite with callee:bar is matched from 14 to 7 | 
 | ; CHECK: Callsite with callee:foo is matched from 15 to 8 | 
 | ; CHECK: Callsite with callee:bar is matched from 16 to 9 | 
 |  | 
 |  | 
 | ; CHECK:    2:  call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 2, i32 0, i64 -1), !dbg ![[#]] - weight: 112 - factor: 1.00) | 
 | ; CHECK:    3:  call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 3, i32 0, i64 -1), !dbg ![[#]] - weight: 112 - factor: 1.00) | 
 | ; CHECK:    4:  call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 4, i32 0, i64 -1), !dbg ![[#]] - weight: 116 - factor: 1.00) | 
 | ; CHECK:    5:  call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 5, i32 0, i64 -1), !dbg ![[#]] - weight: 0 - factor: 1.00) | 
 | ; CHECK:    1:  call void @llvm.pseudoprobe(i64 6699318081062747564, i64 1, i32 0, i64 -1), !dbg ![[#]] - weight: 112 - factor: 1.00) | 
 | ; CHECK:    2:  call void @llvm.pseudoprobe(i64 6699318081062747564, i64 2, i32 0, i64 -1), !dbg ![[#]] - weight: 101 - factor: 1.00) | 
 | ; CHECK:    5:  %call.i8 = call i32 @bar(i32 noundef %1), !dbg ![[#]] - weight: 101 - factor: 1.00) | 
 | ; CHECK:    3:  call void @llvm.pseudoprobe(i64 6699318081062747564, i64 3, i32 0, i64 -1), !dbg ![[#]] - weight: 13 - factor: 1.00) | 
 | ; CHECK:    6:  %call1.i5 = call i32 @bar(i32 noundef %add.i4), !dbg ![[#]] - weight: 13 - factor: 1.00) | 
 | ; CHECK:    4:  call void @llvm.pseudoprobe(i64 6699318081062747564, i64 4, i32 0, i64 -1), !dbg ![[#]] - weight: 112 - factor: 1.00) | 
 | ; CHECK:    14: %call2 = call i32 @bar(i32 noundef %3), !dbg ![[#]] - weight: 124 - factor: 1.00) | 
 | ; CHECK:    8:  call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 8, i32 0, i64 -1), !dbg ![[#]] - weight: 0 - factor: 1.00) | 
 | ; CHECK:    1:  call void @llvm.pseudoprobe(i64 6699318081062747564, i64 1, i32 0, i64 -1), !dbg ![[#]] - weight: 117 - factor: 1.00) | 
 | ; CHECK:    2:  call void @llvm.pseudoprobe(i64 6699318081062747564, i64 2, i32 0, i64 -1), !dbg ![[#]] - weight: 104 - factor: 1.00) | 
 | ; CHECK:    5:  %call.i = call i32 @bar(i32 noundef %5), !dbg ![[#]] - weight: 104 - factor: 1.00) | 
 | ; CHECK:    3:  call void @llvm.pseudoprobe(i64 6699318081062747564, i64 3, i32 0, i64 -1), !dbg ![[#]] - weight: 13 - factor: 1.00) | 
 | ; CHECK:    6:  %call1.i = call i32 @bar(i32 noundef %add.i), !dbg ![[#]] - weight: 14 - factor: 1.00) | 
 | ; CHECK:    4:  call void @llvm.pseudoprobe(i64 6699318081062747564, i64 4, i32 0, i64 -1), !dbg ![[#]] - weight: 121 - factor: 1.00) | 
 | ; CHECK:    16:  %call9 = call i32 @bar(i32 noundef %7), !dbg ![[#]] - weight: 126 - factor: 1.00) | 
 | ; CHECK:    9:  call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 9, i32 0, i64 -1), !dbg ![[#]] - weight: 112 - factor: 1.00) | 
 | ; CHECK:    10:  call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 10, i32 0, i64 -1), !dbg ![[#]] - weight: 112 - factor: 1.00) | 
 | ; CHECK:    11:  call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 11, i32 0, i64 -1), !dbg ![[#]] - weight: 116 - factor: 1.00) | 
 | ; CHECK:    1:  call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 1, i32 0, i64 -1), !dbg ![[#]] - weight: 0 - factor: 1.00) | 
 |  | 
 |  | 
 | target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" | 
 | target triple = "x86_64-unknown-linux-gnu" | 
 |  | 
 | @x = dso_local global i32 1, align 4, !dbg !0 | 
 |  | 
 | ; Function Attrs: noinline nounwind uwtable | 
 | define dso_local i32 @bar(i32 noundef %p) #0 !dbg !16 { | 
 | entry: | 
 |   call void @llvm.dbg.value(metadata i32 %p, metadata !20, metadata !DIExpression()), !dbg !21 | 
 |   call void @llvm.pseudoprobe(i64 -2012135647395072713, i64 1, i32 0, i64 -1), !dbg !22 | 
 |   ret i32 %p, !dbg !23 | 
 | } | 
 |  | 
 | ; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) | 
 | declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 | 
 |  | 
 | ; Function Attrs: alwaysinline nounwind uwtable | 
 | define dso_local i32 @foo(i32 noundef %i, i32 noundef %p) #2 !dbg !24 { | 
 | entry: | 
 |   call void @llvm.dbg.value(metadata i32 %i, metadata !28, metadata !DIExpression()), !dbg !30 | 
 |   call void @llvm.dbg.value(metadata i32 %p, metadata !29, metadata !DIExpression()), !dbg !30 | 
 |   call void @llvm.pseudoprobe(i64 6699318081062747564, i64 1, i32 0, i64 -1), !dbg !31 | 
 |   %rem = srem i32 %i, 10, !dbg !33 | 
 |   %tobool = icmp ne i32 %rem, 0, !dbg !33 | 
 |   br i1 %tobool, label %if.then, label %if.else, !dbg !34 | 
 |  | 
 | if.then:                                          ; preds = %entry | 
 |   call void @llvm.pseudoprobe(i64 6699318081062747564, i64 2, i32 0, i64 -1), !dbg !35 | 
 |   %call = call i32 @bar(i32 noundef %p), !dbg !36 | 
 |   br label %return, !dbg !38 | 
 |  | 
 | if.else:                                          ; preds = %entry | 
 |   call void @llvm.pseudoprobe(i64 6699318081062747564, i64 3, i32 0, i64 -1), !dbg !39 | 
 |   %add = add nsw i32 %p, 1, !dbg !40 | 
 |   %call1 = call i32 @bar(i32 noundef %add), !dbg !41 | 
 |   br label %return, !dbg !43 | 
 |  | 
 | return:                                           ; preds = %if.else, %if.then | 
 |   %retval.0 = phi i32 [ %call, %if.then ], [ %call1, %if.else ], !dbg !44 | 
 |   call void @llvm.pseudoprobe(i64 6699318081062747564, i64 4, i32 0, i64 -1), !dbg !45 | 
 |   ret i32 %retval.0, !dbg !45 | 
 | } | 
 |  | 
 | ; Function Attrs: nounwind uwtable | 
 | define dso_local i32 @main() #3 !dbg !46 { | 
 | entry: | 
 |   call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 1, i32 0, i64 -1), !dbg !52 | 
 |   %0 = load volatile i32, ptr @x, align 4, !dbg !52, !tbaa !54 | 
 |   %cmp = icmp eq i32 %0, 0, !dbg !58 | 
 |   br i1 %cmp, label %if.then, label %if.end, !dbg !59 | 
 |  | 
 | if.then:                                          ; preds = %entry | 
 |   call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 2, i32 0, i64 -1), !dbg !60 | 
 |   br label %for.end, !dbg !60 | 
 |  | 
 | if.end:                                           ; preds = %entry | 
 |   call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 3, i32 0, i64 -1), !dbg !61 | 
 |   call void @llvm.dbg.value(metadata i32 0, metadata !50, metadata !DIExpression()), !dbg !62 | 
 |   br label %for.cond, !dbg !63 | 
 |  | 
 | for.cond:                                         ; preds = %if.end6, %if.end | 
 |   %i.0 = phi i32 [ 0, %if.end ], [ %inc, %if.end6 ], !dbg !64 | 
 |   call void @llvm.dbg.value(metadata i32 %i.0, metadata !50, metadata !DIExpression()), !dbg !62 | 
 |   call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 4, i32 0, i64 -1), !dbg !65 | 
 |   %cmp1 = icmp slt i32 %i.0, 1000000, !dbg !67 | 
 |   br i1 %cmp1, label %for.body, label %for.cond.cleanup, !dbg !68 | 
 |  | 
 | for.cond.cleanup:                                 ; preds = %for.cond | 
 |   call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 5, i32 0, i64 -1), !dbg !68 | 
 |   br label %cleanup, !dbg !68 | 
 |  | 
 | for.body:                                         ; preds = %for.cond | 
 |   call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 6, i32 0, i64 -1), !dbg !69 | 
 |   %1 = load volatile i32, ptr @x, align 4, !dbg !71, !tbaa !54 | 
 |   %call = call i32 @foo(i32 noundef %i.0, i32 noundef %1), !dbg !72 | 
 |   %2 = load volatile i32, ptr @x, align 4, !dbg !74, !tbaa !54 | 
 |   %add = add nsw i32 %2, %call, !dbg !74 | 
 |   store volatile i32 %add, ptr @x, align 4, !dbg !74, !tbaa !54 | 
 |   %3 = load volatile i32, ptr @x, align 4, !dbg !75, !tbaa !54 | 
 |   %call2 = call i32 @bar(i32 noundef %3), !dbg !76 | 
 |   %4 = load volatile i32, ptr @x, align 4, !dbg !78, !tbaa !54 | 
 |   %add3 = add nsw i32 %4, %call2, !dbg !78 | 
 |   store volatile i32 %add3, ptr @x, align 4, !dbg !78, !tbaa !54 | 
 |   br i1 false, label %if.then5, label %if.end6, !dbg !79 | 
 |  | 
 | if.then5:                                         ; preds = %for.body | 
 |   call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 7, i32 0, i64 -1), !dbg !80 | 
 |   br label %cleanup, !dbg !80 | 
 |  | 
 | if.end6:                                          ; preds = %for.body | 
 |   call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 8, i32 0, i64 -1), !dbg !82 | 
 |   %5 = load volatile i32, ptr @x, align 4, !dbg !83, !tbaa !54 | 
 |   %call7 = call i32 @foo(i32 noundef %i.0, i32 noundef %5), !dbg !84 | 
 |   %6 = load volatile i32, ptr @x, align 4, !dbg !86, !tbaa !54 | 
 |   %add8 = add nsw i32 %6, %call7, !dbg !86 | 
 |   store volatile i32 %add8, ptr @x, align 4, !dbg !86, !tbaa !54 | 
 |   %7 = load volatile i32, ptr @x, align 4, !dbg !87, !tbaa !54 | 
 |   %call9 = call i32 @bar(i32 noundef %7), !dbg !88 | 
 |   %8 = load volatile i32, ptr @x, align 4, !dbg !90, !tbaa !54 | 
 |   %add10 = add nsw i32 %8, %call9, !dbg !90 | 
 |   store volatile i32 %add10, ptr @x, align 4, !dbg !90, !tbaa !54 | 
 |   call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 9, i32 0, i64 -1), !dbg !91 | 
 |   %inc = add nsw i32 %i.0, 1, !dbg !91 | 
 |   call void @llvm.dbg.value(metadata i32 %inc, metadata !50, metadata !DIExpression()), !dbg !62 | 
 |   br label %for.cond, !dbg !92, !llvm.loop !93 | 
 |  | 
 | cleanup:                                          ; preds = %if.then5, %for.cond.cleanup | 
 |   call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 10, i32 0, i64 -1), !dbg !96 | 
 |   br label %for.end | 
 |  | 
 | for.end:                                          ; preds = %cleanup, %if.then | 
 |   call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 11, i32 0, i64 -1), !dbg !97 | 
 |   ret i32 0, !dbg !97 | 
 | } | 
 |  | 
 | ; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) | 
 | declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #4 | 
 |  | 
 | ; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) | 
 | declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #4 | 
 |  | 
 | ; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) | 
 | declare void @llvm.dbg.assign(metadata, metadata, metadata, metadata, metadata, metadata) #1 | 
 |  | 
 | ; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: readwrite) | 
 | declare void @llvm.pseudoprobe(i64, i64, i32, i64) #5 | 
 |  | 
 | ; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none) | 
 | declare void @llvm.dbg.value(metadata, metadata, metadata) #6 | 
 |  | 
 | attributes #0 = { noinline nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" "use-sample-profile" } | 
 | attributes #1 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) } | 
 | attributes #2 = { alwaysinline nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" "use-sample-profile" } | 
 | attributes #3 = { nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" "use-sample-profile" } | 
 | attributes #4 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) } | 
 | attributes #5 = { mustprogress nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: readwrite) } | 
 | attributes #6 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) } | 
 |  | 
 | !llvm.dbg.cu = !{!2} | 
 | !llvm.module.flags = !{!7, !8, !9, !10, !11} | 
 | !llvm.ident = !{!12} | 
 | !llvm.pseudo_probe_desc = !{!13, !14, !15} | 
 |  | 
 | !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) | 
 | !1 = distinct !DIGlobalVariable(name: "x", scope: !2, file: !3, line: 1, type: !5, isLocal: false, isDefinition: true) | 
 | !2 = distinct !DICompileUnit(language: DW_LANG_C11, file: !3, producer: "clang version 17.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, nameTableKind: None) | 
 | !3 = !DIFile(filename: "test.c", directory: "path") | 
 | !4 = !{!0} | 
 | !5 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !6) | 
 | !6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) | 
 | !7 = !{i32 7, !"Dwarf Version", i32 5} | 
 | !8 = !{i32 2, !"Debug Info Version", i32 3} | 
 | !9 = !{i32 1, !"wchar_size", i32 4} | 
 | !10 = !{i32 7, !"uwtable", i32 2} | 
 | !11 = !{i32 7, !"debug-info-assignment-tracking", i1 true} | 
 | !12 = !{!"clang version 17.0.0"} | 
 | !13 = !{i64 -2012135647395072713, i64 4294967295, !"bar"} | 
 | !14 = !{i64 6699318081062747564, i64 563022570642068, !"foo"} | 
 | !15 = !{i64 -2624081020897602054, i64 1126158552146340, !"main"} | 
 | !16 = distinct !DISubprogram(name: "bar", scope: !3, file: !3, line: 2, type: !17, scopeLine: 2, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !19) | 
 | !17 = !DISubroutineType(types: !18) | 
 | !18 = !{!6, !6} | 
 | !19 = !{!20} | 
 | !20 = !DILocalVariable(name: "p", arg: 1, scope: !16, file: !3, line: 2, type: !6) | 
 | !21 = !DILocation(line: 0, scope: !16) | 
 | !22 = !DILocation(line: 3, column: 10, scope: !16) | 
 | !23 = !DILocation(line: 3, column: 3, scope: !16) | 
 | !24 = distinct !DISubprogram(name: "foo", scope: !3, file: !3, line: 6, type: !25, scopeLine: 6, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !27) | 
 | !25 = !DISubroutineType(types: !26) | 
 | !26 = !{!6, !6, !6} | 
 | !27 = !{!28, !29} | 
 | !28 = !DILocalVariable(name: "i", arg: 1, scope: !24, file: !3, line: 6, type: !6) | 
 | !29 = !DILocalVariable(name: "p", arg: 2, scope: !24, file: !3, line: 6, type: !6) | 
 | !30 = !DILocation(line: 0, scope: !24) | 
 | !31 = !DILocation(line: 7, column: 6, scope: !32) | 
 | !32 = distinct !DILexicalBlock(scope: !24, file: !3, line: 7, column: 6) | 
 | !33 = !DILocation(line: 7, column: 8, scope: !32) | 
 | !34 = !DILocation(line: 7, column: 6, scope: !24) | 
 | !35 = !DILocation(line: 7, column: 26, scope: !32) | 
 | !36 = !DILocation(line: 7, column: 22, scope: !37) | 
 | !37 = !DILexicalBlockFile(scope: !32, file: !3, discriminator: 186646575) | 
 | !38 = !DILocation(line: 7, column: 14, scope: !32) | 
 | !39 = !DILocation(line: 8, column: 19, scope: !32) | 
 | !40 = !DILocation(line: 8, column: 21, scope: !32) | 
 | !41 = !DILocation(line: 8, column: 15, scope: !42) | 
 | !42 = !DILexicalBlockFile(scope: !32, file: !3, discriminator: 186646583) | 
 | !43 = !DILocation(line: 8, column: 8, scope: !32) | 
 | !44 = !DILocation(line: 0, scope: !32) | 
 | !45 = !DILocation(line: 9, column: 1, scope: !24) | 
 | !46 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 11, type: !47, scopeLine: 11, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !49) | 
 | !47 = !DISubroutineType(types: !48) | 
 | !48 = !{!6} | 
 | !49 = !{!50} | 
 | !50 = !DILocalVariable(name: "i", scope: !51, file: !3, line: 14, type: !6) | 
 | !51 = distinct !DILexicalBlock(scope: !46, file: !3, line: 14, column: 3) | 
 | !52 = !DILocation(line: 12, column: 6, scope: !53) | 
 | !53 = distinct !DILexicalBlock(scope: !46, file: !3, line: 12, column: 6) | 
 | !54 = !{!55, !55, i64 0} | 
 | !55 = !{!"int", !56, i64 0} | 
 | !56 = !{!"omnipotent char", !57, i64 0} | 
 | !57 = !{!"Simple C/C++ TBAA"} | 
 | !58 = !DILocation(line: 12, column: 8, scope: !53) | 
 | !59 = !DILocation(line: 12, column: 6, scope: !46) | 
 | !60 = !DILocation(line: 13, column: 5, scope: !53) | 
 | !61 = !DILocation(line: 14, column: 11, scope: !51) | 
 | !62 = !DILocation(line: 0, scope: !51) | 
 | !63 = !DILocation(line: 14, column: 7, scope: !51) | 
 | !64 = !DILocation(line: 14, scope: !51) | 
 | !65 = !DILocation(line: 14, column: 18, scope: !66) | 
 | !66 = distinct !DILexicalBlock(scope: !51, file: !3, line: 14, column: 3) | 
 | !67 = !DILocation(line: 14, column: 20, scope: !66) | 
 | !68 = !DILocation(line: 14, column: 3, scope: !51) | 
 | !69 = !DILocation(line: 15, column: 15, scope: !70) | 
 | !70 = distinct !DILexicalBlock(scope: !66, file: !3, line: 14, column: 40) | 
 | !71 = !DILocation(line: 15, column: 18, scope: !70) | 
 | !72 = !DILocation(line: 15, column: 11, scope: !73) | 
 | !73 = !DILexicalBlockFile(scope: !70, file: !3, discriminator: 186646639) | 
 | !74 = !DILocation(line: 15, column: 8, scope: !70) | 
 | !75 = !DILocation(line: 16, column: 15, scope: !70) | 
 | !76 = !DILocation(line: 16, column: 11, scope: !77) | 
 | !77 = !DILexicalBlockFile(scope: !70, file: !3, discriminator: 186646647) | 
 | !78 = !DILocation(line: 16, column: 8, scope: !70) | 
 | !79 = !DILocation(line: 17, column: 9, scope: !70) | 
 | !80 = !DILocation(line: 18, column: 8, scope: !81) | 
 | !81 = distinct !DILexicalBlock(scope: !70, file: !3, line: 17, column: 9) | 
 | !82 = !DILocation(line: 19, column: 15, scope: !70) | 
 | !83 = !DILocation(line: 19, column: 18, scope: !70) | 
 | !84 = !DILocation(line: 19, column: 11, scope: !85) | 
 | !85 = !DILexicalBlockFile(scope: !70, file: !3, discriminator: 186646655) | 
 | !86 = !DILocation(line: 19, column: 8, scope: !70) | 
 | !87 = !DILocation(line: 20, column: 15, scope: !70) | 
 | !88 = !DILocation(line: 20, column: 11, scope: !89) | 
 | !89 = !DILexicalBlockFile(scope: !70, file: !3, discriminator: 186646663) | 
 | !90 = !DILocation(line: 20, column: 8, scope: !70) | 
 | !91 = !DILocation(line: 14, column: 36, scope: !66) | 
 | !92 = !DILocation(line: 14, column: 3, scope: !66) | 
 | !93 = distinct !{!93, !68, !94, !95} | 
 | !94 = !DILocation(line: 21, column: 3, scope: !51) | 
 | !95 = !{!"llvm.loop.mustprogress"} | 
 | !96 = !DILocation(line: 0, scope: !46) | 
 | !97 = !DILocation(line: 22, column: 1, scope: !46) |