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-rw-r--r--llvm/test/DebugInfo/COFF/pieces.ll9
-rw-r--r--llvm/test/DebugInfo/X86/sdag-dbgvalue-phi-use-1.ll178
-rw-r--r--llvm/test/DebugInfo/X86/sdag-dbgvalue-phi-use-2.ll171
3 files changed, 355 insertions, 3 deletions
diff --git a/llvm/test/DebugInfo/COFF/pieces.ll b/llvm/test/DebugInfo/COFF/pieces.ll
index c35c12c471a..14f93b9633b 100644
--- a/llvm/test/DebugInfo/COFF/pieces.ll
+++ b/llvm/test/DebugInfo/COFF/pieces.ll
@@ -42,19 +42,20 @@
; ASM: xorl %esi, %esi
; ASM: .p2align 4, 0x90
; ASM: .LBB0_3: # %for.body
-; ASM: [[ox_start:\.Ltmp[0-9]+]]:
+; ASM: [[oy_ox_start:\.Ltmp[0-9]+]]:
; ASM: #DEBUG_VALUE: loop_csr:o <- [DW_OP_LLVM_fragment 0 32] $edi
+; ASM: #DEBUG_VALUE: loop_csr:o <- [DW_OP_LLVM_fragment 32 32] $esi
; ASM: .cv_loc 0 1 13 11 # t.c:13:11
; ASM: movl %edi, %ecx
; ASM: callq g
; ASM: movl %eax, %edi
-; ASM: [[oy_start:\.Ltmp[0-9]+]]:
+; ASM: [[ox_start:\.Ltmp[0-9]+]]:
; ASM: #DEBUG_VALUE: loop_csr:o <- [DW_OP_LLVM_fragment 0 32] $edi
-; ASM: #DEBUG_VALUE: loop_csr:o <- [DW_OP_LLVM_fragment 32 32] $esi
; ASM: .cv_loc 0 1 14 11 # t.c:14:11
; ASM: movl %esi, %ecx
; ASM: callq g
; ASM: movl %eax, %esi
+; ASM: [[oy_start:\.Ltmp[0-9]+]]:
; ASM: #DEBUG_VALUE: loop_csr:o <- [DW_OP_LLVM_fragment 32 32] $esi
; ASM: cmpl n(%rip), %eax
; ASM: jl .LBB0_3
@@ -101,6 +102,8 @@
; ASM: .asciz "loop_csr" # Function name
; ASM: .short 4414 # Record kind: S_LOCAL
; ASM: .asciz "o"
+; ASM: .cv_def_range [[oy_ox_start]] [[ox_start]], "C\021\030\000\000\000\000\000\000\000"
+; ASM: .cv_def_range [[oy_ox_start]] [[oy_start]], "C\021\027\000\000\000\004\000\000\000"
; ASM: .cv_def_range [[ox_start]] .Lfunc_end0, "C\021\030\000\000\000\000\000\000\000"
; ASM: .cv_def_range [[oy_start]] [[oy_end]], "C\021\027\000\000\000\004\000\000\000"
diff --git a/llvm/test/DebugInfo/X86/sdag-dbgvalue-phi-use-1.ll b/llvm/test/DebugInfo/X86/sdag-dbgvalue-phi-use-1.ll
new file mode 100644
index 00000000000..28e0481ea97
--- /dev/null
+++ b/llvm/test/DebugInfo/X86/sdag-dbgvalue-phi-use-1.ll
@@ -0,0 +1,178 @@
+; RUN: llc -start-after=codegenprepare -stop-before expand-isel-pseudos -o - %s | FileCheck %s
+
+; This test case was generated from the following debug.c program,
+; using: clang debug.c -g -O1 -S -o dbg_value_phi_isel1.ll -emit-llvm
+; --------------------------------------
+; int end = 10;
+;
+; int main() {
+; int x = 9;
+; int y = 13;
+; for (int u = 0; u < end; ++u) {
+; x += y;
+; y = y * 3;
+; }
+;
+; volatile int arr[80];
+; for (int q = 0; q < 64; ++q) {
+; arr[q] = q + 3;
+; }
+;
+; return x;
+; }
+; --------------------------------------
+;
+
+; ModuleID = 'debug.c'
+source_filename = "debug.c"
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+@end = dso_local local_unnamed_addr global i32 10, align 4, !dbg !0
+
+; Function Attrs: nounwind uwtable
+define dso_local i32 @main() local_unnamed_addr #0 !dbg !11 {
+; CHECK-LABEL: name: main
+entry:
+ %arr = alloca [80 x i32], align 16
+ call void @llvm.dbg.value(metadata i32 9, metadata !15, metadata !DIExpression()), !dbg !26
+ call void @llvm.dbg.value(metadata i32 13, metadata !16, metadata !DIExpression()), !dbg !27
+ call void @llvm.dbg.value(metadata i32 0, metadata !17, metadata !DIExpression()), !dbg !28
+ %0 = load i32, i32* @end, align 4, !dbg !29, !tbaa !31
+ %cmp20 = icmp sgt i32 %0, 0, !dbg !35
+ br i1 %cmp20, label %for.body.lr.ph, label %for.cond.cleanup, !dbg !36
+
+for.body.lr.ph: ; preds = %entry
+ %1 = load i32, i32* @end, align 4, !tbaa !31
+ br label %for.body, !dbg !36
+
+for.cond.cleanup: ; preds = %for.body, %entry
+; CHECK-LABEL: bb.{{.*}}.for.cond.cleanup:
+; CHECK: [[REG1:%[0-9]+]]:gr32 = PHI
+; CHECK-NEXT: DBG_VALUE debug-use [[REG1]]
+ %x.0.lcssa = phi i32 [ 9, %entry ], [ %add, %for.body ]
+ call void @llvm.dbg.value(metadata i32 %x.0.lcssa, metadata !15, metadata !DIExpression()), !dbg !26
+ %2 = bitcast [80 x i32]* %arr to i8*, !dbg !37
+ call void @llvm.lifetime.start.p0i8(i64 320, i8* nonnull %2) #3, !dbg !37
+ call void @llvm.dbg.declare(metadata [80 x i32]* %arr, metadata !19, metadata !DIExpression()), !dbg !38
+ call void @llvm.dbg.value(metadata i32 0, metadata !24, metadata !DIExpression()), !dbg !39
+ br label %for.body4, !dbg !40
+
+for.body: ; preds = %for.body.lr.ph, %for.body
+; CHECK-LABEL: bb.{{.*}}.for.body:
+; CHECK: [[REG2:%[0-9]+]]:gr32 = PHI
+; CHECK-NEXT: [[REG3:%[0-9]+]]:gr32 = PHI
+; CHECK-NEXT: [[REG4:%[0-9]+]]:gr32 = PHI
+; CHECK-NEXT: DBG_VALUE debug-use [[REG2]]
+; CHECK-NEXT: DBG_VALUE debug-use [[REG3]]
+; CHECK-NEXT: DBG_VALUE debug-use [[REG4]]
+ %u.023 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
+ %y.022 = phi i32 [ 13, %for.body.lr.ph ], [ %mul, %for.body ]
+ %x.021 = phi i32 [ 9, %for.body.lr.ph ], [ %add, %for.body ]
+ call void @llvm.dbg.value(metadata i32 %u.023, metadata !17, metadata !DIExpression()), !dbg !28
+ call void @llvm.dbg.value(metadata i32 %y.022, metadata !16, metadata !DIExpression()), !dbg !27
+ call void @llvm.dbg.value(metadata i32 %x.021, metadata !15, metadata !DIExpression()), !dbg !26
+ %add = add nuw nsw i32 %y.022, %x.021, !dbg !41
+ %mul = mul nsw i32 %y.022, 3, !dbg !43
+ %inc = add nuw nsw i32 %u.023, 1, !dbg !44
+ call void @llvm.dbg.value(metadata i32 %inc, metadata !17, metadata !DIExpression()), !dbg !28
+ call void @llvm.dbg.value(metadata i32 %mul, metadata !16, metadata !DIExpression()), !dbg !27
+ call void @llvm.dbg.value(metadata i32 %add, metadata !15, metadata !DIExpression()), !dbg !26
+ %cmp = icmp slt i32 %inc, %1, !dbg !35
+ br i1 %cmp, label %for.body, label %for.cond.cleanup, !dbg !36, !llvm.loop !45
+
+for.cond.cleanup3: ; preds = %for.body4
+ call void @llvm.lifetime.end.p0i8(i64 320, i8* nonnull %2) #3, !dbg !47
+ ret i32 %x.0.lcssa, !dbg !48
+
+for.body4: ; preds = %for.body4, %for.cond.cleanup
+ %indvars.iv = phi i64 [ 0, %for.cond.cleanup ], [ %indvars.iv.next, %for.body4 ]
+ call void @llvm.dbg.value(metadata i64 %indvars.iv, metadata !24, metadata !DIExpression()), !dbg !39
+ %arrayidx = getelementptr inbounds [80 x i32], [80 x i32]* %arr, i64 0, i64 %indvars.iv, !dbg !49
+ %3 = trunc i64 %indvars.iv to i32, !dbg !52
+ %4 = add i32 %3, 3, !dbg !52
+ store volatile i32 %4, i32* %arrayidx, align 4, !dbg !52, !tbaa !31
+ %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !53
+ call void @llvm.dbg.value(metadata i32 undef, metadata !24, metadata !DIExpression(DW_OP_plus_uconst, 1, DW_OP_stack_value)), !dbg !39
+ %exitcond = icmp eq i64 %indvars.iv.next, 64, !dbg !54
+ br i1 %exitcond, label %for.cond.cleanup3, label %for.body4, !dbg !40, !llvm.loop !55
+}
+
+; Function Attrs: argmemonly nounwind
+declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
+
+; Function Attrs: nounwind readnone speculatable
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #2
+
+; Function Attrs: argmemonly nounwind
+declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
+
+; Function Attrs: nounwind readnone speculatable
+declare void @llvm.dbg.value(metadata, metadata, metadata) #2
+
+attributes #0 = { nounwind uwtable }
+attributes #1 = { argmemonly nounwind }
+attributes #2 = { nounwind readnone speculatable }
+attributes #3 = { nounwind }
+
+!llvm.dbg.cu = !{!2}
+!llvm.module.flags = !{!7, !8, !9}
+!llvm.ident = !{!10}
+
+!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
+!1 = distinct !DIGlobalVariable(name: "end", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true)
+!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 7.0.0 (x)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
+!3 = !DIFile(filename: "debug.c", directory: "")
+!4 = !{}
+!5 = !{!0}
+!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
+!7 = !{i32 2, !"Dwarf Version", i32 4}
+!8 = !{i32 2, !"Debug Info Version", i32 3}
+!9 = !{i32 1, !"wchar_size", i32 4}
+!10 = !{!"clang version 7.0.0 (x)"}
+!11 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 3, type: !12, isLocal: false, isDefinition: true, scopeLine: 3, isOptimized: true, unit: !2, variables: !14)
+!12 = !DISubroutineType(types: !13)
+!13 = !{!6}
+!14 = !{!15, !16, !17, !19, !24}
+!15 = !DILocalVariable(name: "x", scope: !11, file: !3, line: 4, type: !6)
+!16 = !DILocalVariable(name: "y", scope: !11, file: !3, line: 5, type: !6)
+!17 = !DILocalVariable(name: "u", scope: !18, file: !3, line: 6, type: !6)
+!18 = distinct !DILexicalBlock(scope: !11, file: !3, line: 6, column: 3)
+!19 = !DILocalVariable(name: "arr", scope: !11, file: !3, line: 11, type: !20)
+!20 = !DICompositeType(tag: DW_TAG_array_type, baseType: !21, size: 2560, elements: !22)
+!21 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !6)
+!22 = !{!23}
+!23 = !DISubrange(count: 80)
+!24 = !DILocalVariable(name: "q", scope: !25, file: !3, line: 12, type: !6)
+!25 = distinct !DILexicalBlock(scope: !11, file: !3, line: 12, column: 3)
+!26 = !DILocation(line: 4, column: 7, scope: !11)
+!27 = !DILocation(line: 5, column: 7, scope: !11)
+!28 = !DILocation(line: 6, column: 12, scope: !18)
+!29 = !DILocation(line: 6, column: 23, scope: !30)
+!30 = distinct !DILexicalBlock(scope: !18, file: !3, line: 6, column: 3)
+!31 = !{!32, !32, i64 0}
+!32 = !{!"int", !33, i64 0}
+!33 = !{!"omnipotent char", !34, i64 0}
+!34 = !{!"Simple C/C++ TBAA"}
+!35 = !DILocation(line: 6, column: 21, scope: !30)
+!36 = !DILocation(line: 6, column: 3, scope: !18)
+!37 = !DILocation(line: 11, column: 3, scope: !11)
+!38 = !DILocation(line: 11, column: 16, scope: !11)
+!39 = !DILocation(line: 12, column: 12, scope: !25)
+!40 = !DILocation(line: 12, column: 3, scope: !25)
+!41 = !DILocation(line: 7, column: 7, scope: !42)
+!42 = distinct !DILexicalBlock(scope: !30, file: !3, line: 6, column: 33)
+!43 = !DILocation(line: 8, column: 11, scope: !42)
+!44 = !DILocation(line: 6, column: 28, scope: !30)
+!45 = distinct !{!45, !36, !46}
+!46 = !DILocation(line: 9, column: 3, scope: !18)
+!47 = !DILocation(line: 17, column: 1, scope: !11)
+!48 = !DILocation(line: 16, column: 3, scope: !11)
+!49 = !DILocation(line: 13, column: 5, scope: !50)
+!50 = distinct !DILexicalBlock(scope: !51, file: !3, line: 12, column: 32)
+!51 = distinct !DILexicalBlock(scope: !25, file: !3, line: 12, column: 3)
+!52 = !DILocation(line: 13, column: 12, scope: !50)
+!53 = !DILocation(line: 12, column: 27, scope: !51)
+!54 = !DILocation(line: 12, column: 21, scope: !51)
+!55 = distinct !{!55, !40, !56}
+!56 = !DILocation(line: 14, column: 3, scope: !25)
diff --git a/llvm/test/DebugInfo/X86/sdag-dbgvalue-phi-use-2.ll b/llvm/test/DebugInfo/X86/sdag-dbgvalue-phi-use-2.ll
new file mode 100644
index 00000000000..2595f211ec8
--- /dev/null
+++ b/llvm/test/DebugInfo/X86/sdag-dbgvalue-phi-use-2.ll
@@ -0,0 +1,171 @@
+; RUN: llc -start-after=codegenprepare -stop-before expand-isel-pseudos -o - %s | FileCheck %s
+
+; This test case is a modified version of dbg_value_phi_isel1.ll
+; where the llvm.dbg.value nodes in for.body has been moved.
+
+; ModuleID = 'debug.c'
+source_filename = "debug.c"
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+@end = dso_local local_unnamed_addr global i32 10, align 4, !dbg !0
+
+; Function Attrs: nounwind uwtable
+define dso_local i32 @main() local_unnamed_addr #0 !dbg !11 {
+entry:
+ %arr = alloca [80 x i32], align 16
+ call void @llvm.dbg.value(metadata i32 9, metadata !15, metadata !DIExpression()), !dbg !26
+ call void @llvm.dbg.value(metadata i32 13, metadata !16, metadata !DIExpression()), !dbg !27
+ call void @llvm.dbg.value(metadata i32 0, metadata !17, metadata !DIExpression()), !dbg !28
+ %0 = load i32, i32* @end, align 4, !dbg !29, !tbaa !31
+ %cmp20 = icmp sgt i32 %0, 0, !dbg !35
+ br i1 %cmp20, label %for.body.lr.ph, label %for.cond.cleanup, !dbg !36
+
+for.body.lr.ph: ; preds = %entry
+ %1 = load i32, i32* @end, align 4, !tbaa !31
+ br label %for.body, !dbg !36
+
+for.cond.cleanup: ; preds = %for.body, %entry
+; CHECK-LABEL: bb.{{.*}}.for.cond.cleanup:
+; CHECK: [[REG1:%[0-9]+]]:gr32 = PHI
+; CHECK-NEXT: DBG_VALUE debug-use [[REG1]]
+ %x.0.lcssa = phi i32 [ 9, %entry ], [ %add, %for.body ]
+ call void @llvm.dbg.value(metadata i32 %x.0.lcssa, metadata !15, metadata !DIExpression()), !dbg !26
+ %2 = bitcast [80 x i32]* %arr to i8*, !dbg !37
+ call void @llvm.lifetime.start.p0i8(i64 320, i8* nonnull %2) #3, !dbg !37
+ call void @llvm.dbg.declare(metadata [80 x i32]* %arr, metadata !19, metadata !DIExpression()), !dbg !38
+ call void @llvm.dbg.value(metadata i32 0, metadata !24, metadata !DIExpression()), !dbg !39
+ br label %for.body4, !dbg !40
+
+for.body: ; preds = %for.body.lr.ph, %for.body
+; CHECK-LABEL: bb.{{.*}}.for.body:
+; CHECK: [[REG2:%[0-9]+]]:gr32 = PHI
+; CHECK-NEXT: [[REG3:%[0-9]+]]:gr32 = PHI
+; CHECK-NEXT: [[REG4:%[0-9]+]]:gr32 = PHI
+; CHECK-NEXT: DBG_VALUE debug-use [[REG3]], debug-use $noreg, !16
+; CHECK-NEXT: DBG_VALUE 555, debug-use $noreg, !17
+; XXX: Shouldn't the following DBG_VALUE be placed after the add (ADD32rr).
+; CHECK-NEXT: DBG_VALUE debug-use [[REG2]], debug-use $noreg, !17
+; CHECK-NEXT: ADD32rr
+; XXX: Shouldn't the following DBG_VALUE be placed after the mul (LEA etc).
+; CHECK-NEXT: DBG_VALUE 777, debug-use $noreg, !17
+; CHECK: INC32r
+; XXX: Shouldn't the following DBG_VALUE be placed after the icmp (the non-dead implicit def of $eflags)
+; CHECK: DBG_VALUE debug-use [[REG4]]
+; CHECK-NEXT: implicit-def $eflags
+ %u.023 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
+ %y.022 = phi i32 [ 13, %for.body.lr.ph ], [ %mul, %for.body ]
+ %x.021 = phi i32 [ 9, %for.body.lr.ph ], [ %add, %for.body ]
+ call void @llvm.dbg.value(metadata i32 %y.022, metadata !16, metadata !DIExpression()), !dbg !27
+ ; This dbg.value has been manually added compared to dbg_value_phi_isel1.ll
+ call void @llvm.dbg.value(metadata i32 555, metadata !17, metadata !DIExpression()), !dbg !28
+ %add = add nuw nsw i32 %y.022, %x.021, !dbg !41
+ ; This dbg.value has been manually moved compared to dbg_value_phi_isel1.ll
+ call void @llvm.dbg.value(metadata i32 %u.023, metadata !17, metadata !DIExpression()), !dbg !28
+ %mul = mul nsw i32 %y.022, 3, !dbg !43
+ ; This dbg.value has been manually added compared to dbg_value_phi_isel1.ll
+ call void @llvm.dbg.value(metadata i32 777, metadata !17, metadata !DIExpression()), !dbg !28
+ %inc = add nuw nsw i32 %u.023, 1, !dbg !44
+ call void @llvm.dbg.value(metadata i32 %inc, metadata !17, metadata !DIExpression()), !dbg !28
+ call void @llvm.dbg.value(metadata i32 %mul, metadata !16, metadata !DIExpression()), !dbg !27
+ call void @llvm.dbg.value(metadata i32 %add, metadata !15, metadata !DIExpression()), !dbg !26
+ %cmp = icmp slt i32 %inc, %1, !dbg !35
+ ; This dbg.value has been manually moved compared to dbg_value_phi_isel1.ll
+ call void @llvm.dbg.value(metadata i32 %x.021, metadata !15, metadata !DIExpression()), !dbg !26
+ br i1 %cmp, label %for.body, label %for.cond.cleanup, !dbg !36, !llvm.loop !45
+
+for.cond.cleanup3: ; preds = %for.body4
+ call void @llvm.lifetime.end.p0i8(i64 320, i8* nonnull %2) #3, !dbg !47
+ ret i32 %x.0.lcssa, !dbg !48
+
+for.body4: ; preds = %for.body4, %for.cond.cleanup
+ %indvars.iv = phi i64 [ 0, %for.cond.cleanup ], [ %indvars.iv.next, %for.body4 ]
+ call void @llvm.dbg.value(metadata i64 %indvars.iv, metadata !24, metadata !DIExpression()), !dbg !39
+ %arrayidx = getelementptr inbounds [80 x i32], [80 x i32]* %arr, i64 0, i64 %indvars.iv, !dbg !49
+ %3 = trunc i64 %indvars.iv to i32, !dbg !52
+ %4 = add i32 %3, 3, !dbg !52
+ store volatile i32 %4, i32* %arrayidx, align 4, !dbg !52, !tbaa !31
+ %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !53
+ call void @llvm.dbg.value(metadata i32 undef, metadata !24, metadata !DIExpression(DW_OP_plus_uconst, 1, DW_OP_stack_value)), !dbg !39
+ %exitcond = icmp eq i64 %indvars.iv.next, 64, !dbg !54
+ br i1 %exitcond, label %for.cond.cleanup3, label %for.body4, !dbg !40, !llvm.loop !55
+}
+
+; Function Attrs: argmemonly nounwind
+declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
+
+; Function Attrs: nounwind readnone speculatable
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #2
+
+; Function Attrs: argmemonly nounwind
+declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
+
+; Function Attrs: nounwind readnone speculatable
+declare void @llvm.dbg.value(metadata, metadata, metadata) #2
+
+attributes #0 = { nounwind uwtable }
+attributes #1 = { argmemonly nounwind }
+attributes #2 = { nounwind readnone speculatable }
+attributes #3 = { nounwind }
+
+!llvm.dbg.cu = !{!2}
+!llvm.module.flags = !{!7, !8, !9}
+!llvm.ident = !{!10}
+
+!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
+!1 = distinct !DIGlobalVariable(name: "end", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true)
+!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 7.0.0 (x)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
+!3 = !DIFile(filename: "debug.c", directory: "")
+!4 = !{}
+!5 = !{!0}
+!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
+!7 = !{i32 2, !"Dwarf Version", i32 4}
+!8 = !{i32 2, !"Debug Info Version", i32 3}
+!9 = !{i32 1, !"wchar_size", i32 4}
+!10 = !{!"clang version 7.0.0 (x)"}
+!11 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 3, type: !12, isLocal: false, isDefinition: true, scopeLine: 3, isOptimized: true, unit: !2, variables: !14)
+!12 = !DISubroutineType(types: !13)
+!13 = !{!6}
+!14 = !{!15, !16, !17, !19, !24}
+!15 = !DILocalVariable(name: "x", scope: !11, file: !3, line: 4, type: !6)
+!16 = !DILocalVariable(name: "y", scope: !11, file: !3, line: 5, type: !6)
+!17 = !DILocalVariable(name: "u", scope: !18, file: !3, line: 6, type: !6)
+!18 = distinct !DILexicalBlock(scope: !11, file: !3, line: 6, column: 3)
+!19 = !DILocalVariable(name: "arr", scope: !11, file: !3, line: 11, type: !20)
+!20 = !DICompositeType(tag: DW_TAG_array_type, baseType: !21, size: 2560, elements: !22)
+!21 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !6)
+!22 = !{!23}
+!23 = !DISubrange(count: 80)
+!24 = !DILocalVariable(name: "q", scope: !25, file: !3, line: 12, type: !6)
+!25 = distinct !DILexicalBlock(scope: !11, file: !3, line: 12, column: 3)
+!26 = !DILocation(line: 4, column: 7, scope: !11)
+!27 = !DILocation(line: 5, column: 7, scope: !11)
+!28 = !DILocation(line: 6, column: 12, scope: !18)
+!29 = !DILocation(line: 6, column: 23, scope: !30)
+!30 = distinct !DILexicalBlock(scope: !18, file: !3, line: 6, column: 3)
+!31 = !{!32, !32, i64 0}
+!32 = !{!"int", !33, i64 0}
+!33 = !{!"omnipotent char", !34, i64 0}
+!34 = !{!"Simple C/C++ TBAA"}
+!35 = !DILocation(line: 6, column: 21, scope: !30)
+!36 = !DILocation(line: 6, column: 3, scope: !18)
+!37 = !DILocation(line: 11, column: 3, scope: !11)
+!38 = !DILocation(line: 11, column: 16, scope: !11)
+!39 = !DILocation(line: 12, column: 12, scope: !25)
+!40 = !DILocation(line: 12, column: 3, scope: !25)
+!41 = !DILocation(line: 7, column: 7, scope: !42)
+!42 = distinct !DILexicalBlock(scope: !30, file: !3, line: 6, column: 33)
+!43 = !DILocation(line: 8, column: 11, scope: !42)
+!44 = !DILocation(line: 6, column: 28, scope: !30)
+!45 = distinct !{!45, !36, !46}
+!46 = !DILocation(line: 9, column: 3, scope: !18)
+!47 = !DILocation(line: 17, column: 1, scope: !11)
+!48 = !DILocation(line: 16, column: 3, scope: !11)
+!49 = !DILocation(line: 13, column: 5, scope: !50)
+!50 = distinct !DILexicalBlock(scope: !51, file: !3, line: 12, column: 32)
+!51 = distinct !DILexicalBlock(scope: !25, file: !3, line: 12, column: 3)
+!52 = !DILocation(line: 13, column: 12, scope: !50)
+!53 = !DILocation(line: 12, column: 27, scope: !51)
+!54 = !DILocation(line: 12, column: 21, scope: !51)
+!55 = distinct !{!55, !40, !56}
+!56 = !DILocation(line: 14, column: 3, scope: !25)
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