derek.holloway
7502bf64a4
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156 lines
9.4 KiB
LLVM
156 lines
9.4 KiB
LLVM
; RUN: opt %loadNPMPolly '-passes=polly-custom<scops>' -polly-print-scops -disable-output < %s 2>&1 | FileCheck %s
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;
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; https://github.com/llvm/llvm-project/issues/187922
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;
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; The assumption 'p_2_loaded_from_var_0 <= 91' only holds if not 'p_2_loaded_from_var_0 >= 128'. Translation: if (trunc i64 %1 to i8) does not truncate any 1 bits, then we know that %1 <= 91.
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; 'p_2_loaded_from_var_0 >= 128' must be in Invalid Context so we generate a RTC for it.
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; 'p_2_loaded_from_var_0 <= 91' can only be in DefinedBehaviorContext, but not in "Context:" because "Context:" is used to gist AssumedContext and InvalidContext which would remove the required RTC: because %1 <= 91, the check if %1 >= 128 must not be optimized away.
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; CHECK: Context:
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; CHECK-NEXT: [p_0_loaded_from_var_3, p_1, p_2_loaded_from_var_0, p_3_loaded_from_var_7] -> { : -2147483648 <= p_0_loaded_from_var_3 <= 2147483647 and -1 <= p_1 <= 0 and -9223372036854775808 <= p_2_loaded_from_var_0 <= 9223372036854775807 and 0 <= p_3_loaded_from_var_7 <= 1 }
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; CHECK: Assumed Context:
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; CHECK-NEXT: [p_0_loaded_from_var_3, p_1, p_2_loaded_from_var_0, p_3_loaded_from_var_7] -> { : }
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; CHECK: Invalid Context:
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; CHECK-NEXT: [p_0_loaded_from_var_3, p_1, p_2_loaded_from_var_0, p_3_loaded_from_var_7] -> { : p_2_loaded_from_var_0 <= -129 or p_2_loaded_from_var_0 >= 128 or (p_0_loaded_from_var_3 < 0 and p_2_loaded_from_var_0 >= 5490102402889819 - p_1) or (p_0_loaded_from_var_3 < 0 and p_2_loaded_from_var_0 <= 69) or (p_0_loaded_from_var_3 > 0 and p_2_loaded_from_var_0 >= 5490102402889819 - p_1) or (p_0_loaded_from_var_3 > 0 and p_2_loaded_from_var_0 <= 69) or (p_0_loaded_from_var_3 = 0 and p_3_loaded_from_var_7 = 1 and p_2_loaded_from_var_0 >= 5490102402889819 - p_1) or (p_0_loaded_from_var_3 = 0 and p_3_loaded_from_var_7 = 1 and p_2_loaded_from_var_0 <= 69) }
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; CHECK: Defined Behavior Context:
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; CHECK-NEXT: [p_0_loaded_from_var_3, p_1, p_2_loaded_from_var_0, p_3_loaded_from_var_7] -> { : -1 <= p_1 <= 0 and -128 <= p_2_loaded_from_var_0 <= 91 and ((0 < p_0_loaded_from_var_3 <= 2147483647 and p_2_loaded_from_var_0 >= 70 and 0 <= p_3_loaded_from_var_7 <= 1) or (p_0_loaded_from_var_3 >= -2147483648 and p_2_loaded_from_var_0 >= 70 and p_3_loaded_from_var_7 > p_0_loaded_from_var_3 and 0 <= p_3_loaded_from_var_7 <= 1) or (p_0_loaded_from_var_3 = 0 and p_3_loaded_from_var_7 = 0)) }
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; CHECK: p0: %4
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; CHECK: p1: ((true + %tobool32.not) umin_seq (true + %.not))
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; CHECK: p2: %1
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; CHECK: p3: %3
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
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@var_0 = external dso_local local_unnamed_addr global i64, align 8
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@var_3 = external dso_local local_unnamed_addr global i32, align 4
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@var_4 = external dso_local local_unnamed_addr global i8, align 1
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@var_7 = external dso_local local_unnamed_addr global i8, align 1
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@var_15 = external dso_local local_unnamed_addr global i32, align 4
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@var_17 = external dso_local local_unnamed_addr global i16, align 2
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@arr_4 = external dso_local local_unnamed_addr global [20 x i16], align 16
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@arr_11 = external dso_local local_unnamed_addr global [20 x [20 x [20 x i32]]], align 16
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; Function Attrs: nofree norecurse nosync nounwind memory(readwrite, argmem: none, inaccessiblemem: write, target_mem: none) uwtable
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define dso_local noundef i32 @func() local_unnamed_addr #0 {
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entry:
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%0 = load i32, ptr @var_15, align 4, !tbaa !4
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%1 = load i64, ptr @var_0, align 8, !tbaa !8
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%conv17 = trunc i64 %1 to i8
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%conv18 = sext i8 %conv17 to i32
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%sub19 = add nsw i32 %conv18, -70
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%sext.mask = and i32 %sub19, 255
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%cmp26 = icmp eq i32 %sext.mask, 20
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tail call void @llvm.assume(i1 %cmp26)
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%tobool32.not = icmp eq i32 %0, 0
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%2 = load i16, ptr @var_17, align 2
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%.not = icmp eq i16 %2, 0
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%narrow188 = select i1 %tobool32.not, i1 true, i1 %.not
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%cmp61 = icmp slt i8 %conv17, 92
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tail call void @llvm.assume(i1 %cmp61)
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%conv95194 = sext i1 %narrow188 to i32
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%3 = load i8, ptr @var_7, align 1, !tbaa !10, !range !12, !noundef !13
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%loadedv = zext nneg i8 %3 to i64
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%sub104 = sub nsw i64 1, %1
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%cond111 = tail call i64 @llvm.smax.i64(i64 %sub104, i64 %loadedv)
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%tobool112.not = icmp eq i64 %cond111, 0
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%4 = load i32, ptr @var_3, align 4
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%5 = load i8, ptr @var_4, align 1
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%conv115 = zext i8 %5 to i32
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%cond117 = select i1 %tobool112.not, i32 %conv115, i32 %4
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%conv121 = add i32 %cond117, 65325
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%6 = and i32 %conv121, 65535
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%7 = icmp samesign ult i32 %6, 3
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%tobool136.not.us.not = icmp eq i8 %3, 0
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br i1 %7, label %for.body.lr.ph.split.us, label %for.body
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for.body.lr.ph.split.us: ; preds = %entry
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%tobool128.not = icmp eq i32 %4, 0
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br i1 %tobool128.not, label %for.body.lr.ph.split.us.split.us, label %for.body.us.preheader
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for.body.us.preheader: ; preds = %for.body.lr.ph.split.us
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%8 = sext i1 %narrow188 to i64
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%sext = zext nneg i32 %sub19 to i64
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br label %for.body.us
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for.body.lr.ph.split.us.split.us: ; preds = %for.body.lr.ph.split.us
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br i1 %tobool136.not.us.not, label %for.body.us.us, label %for.body.us.us.us.preheader
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for.body.us.us.us.preheader: ; preds = %for.body.lr.ph.split.us.split.us
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%9 = sext i1 %narrow188 to i64
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%sext215 = zext nneg i32 %sub19 to i64
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br label %for.body.us.us.us
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for.body.us.us.us: ; preds = %for.body.us.us.us, %for.body.us.us.us.preheader
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%indvars.iv213 = phi i64 [ %9, %for.body.us.us.us.preheader ], [ %indvars.iv.next214, %for.body.us.us.us ]
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%arrayidx148.us.us.us = getelementptr inbounds [1600 x i8], ptr @arr_11, i64 %indvars.iv213
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%arrayidx150.us.us.us = getelementptr inbounds [80 x i8], ptr %arrayidx148.us.us.us, i64 %indvars.iv213
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store i32 0, ptr %arrayidx150.us.us.us, align 16, !tbaa !4
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%indvars.iv.next214 = add nsw i64 %indvars.iv213, 3
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%10 = icmp slt i64 %indvars.iv.next214, %sext215
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br i1 %10, label %for.body.us.us.us, label %for.cond.cleanup
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for.body.us.us: ; preds = %for.body.us.us, %for.body.lr.ph.split.us.split.us
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%indvars.iv217 = phi i32 [ %indvars.iv.next218, %for.body.us.us ], [ %conv95194, %for.body.lr.ph.split.us.split.us ]
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%indvars.iv.next218 = add nsw i32 %indvars.iv217, 3
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%cmp99.us.us = icmp sgt i32 %sub19, %indvars.iv.next218
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br i1 %cmp99.us.us, label %for.body.us.us, label %for.cond.cleanup
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for.body.us: ; preds = %for.cond122.for.cond.cleanup126_crit_edge.split.us204, %for.body.us.preheader
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%indvars.iv210 = phi i64 [ %8, %for.body.us.preheader ], [ %indvars.iv.next211, %for.cond122.for.cond.cleanup126_crit_edge.split.us204 ]
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%arrayidx.us = getelementptr inbounds [2 x i8], ptr @arr_4, i64 %indvars.iv210
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%11 = load i16, ptr %arrayidx.us, align 2, !tbaa !14
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%tobool136.not.us200.not = icmp eq i16 %11, 0
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br i1 %tobool136.not.us200.not, label %for.cond122.for.cond.cleanup126_crit_edge.split.us204, label %for.body127.lr.ph.split.split.us.us
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for.cond122.for.cond.cleanup126_crit_edge.split.us204: ; preds = %for.body127.lr.ph.split.split.us.us, %for.body.us
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%indvars.iv.next211 = add nsw i64 %indvars.iv210, 3
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%12 = icmp slt i64 %indvars.iv.next211, %sext
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br i1 %12, label %for.body.us, label %for.cond.cleanup
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for.body127.lr.ph.split.split.us.us: ; preds = %for.body.us
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%arrayidx148.us = getelementptr inbounds [1600 x i8], ptr @arr_11, i64 %indvars.iv210
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%arrayidx150.us = getelementptr inbounds [80 x i8], ptr %arrayidx148.us, i64 %indvars.iv210
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store i32 0, ptr %arrayidx150.us, align 16, !tbaa !4
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br label %for.cond122.for.cond.cleanup126_crit_edge.split.us204
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for.cond.cleanup: ; preds = %for.body, %for.cond122.for.cond.cleanup126_crit_edge.split.us204, %for.body.us.us, %for.body.us.us.us
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ret i32 0
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for.body: ; preds = %for.body, %entry
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%indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ %conv95194, %entry ]
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%indvars.iv.next = add nsw i32 %indvars.iv, 3
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%cmp99 = icmp sgt i32 %sub19, %indvars.iv.next
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br i1 %cmp99, label %for.body, label %for.cond.cleanup
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}
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; Function Attrs: nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: write)
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declare void @llvm.assume(i1 noundef) #1
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; Function Attrs: nocallback nocreateundeforpoison nofree nosync nounwind speculatable willreturn memory(none)
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declare i64 @llvm.smax.i64(i64, i64) #2
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attributes #0 = { nofree norecurse nosync nounwind memory(readwrite, argmem: none, inaccessiblemem: write, target_mem: none) uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
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attributes #1 = { nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: write) }
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attributes #2 = { nocallback nocreateundeforpoison nofree nosync nounwind speculatable willreturn memory(none) }
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!llvm.module.flags = !{!0, !1, !2}
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!llvm.ident = !{!3}
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!llvm.errno.tbaa = !{!4}
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!0 = !{i32 8, !"PIC Level", i32 2}
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!1 = !{i32 7, !"PIE Level", i32 2}
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!2 = !{i32 7, !"uwtable", i32 2}
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!3 = !{!"clang version 23.0.0git (/home/meinersbur/src/llvm/polly/_src/clang 458f1aae8d2da5bf786ba53ea200e94a918ff55a)"}
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!4 = !{!5, !5, i64 0}
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!5 = !{!"int", !6, i64 0}
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!6 = !{!"omnipotent char", !7, i64 0}
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!7 = !{!"Simple C/C++ TBAA"}
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!8 = !{!9, !9, i64 0}
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!9 = !{!"long long", !6, i64 0}
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!10 = !{!11, !11, i64 0}
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!11 = !{!"_Bool", !6, i64 0}
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!12 = !{i8 0, i8 2}
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!13 = !{}
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!14 = !{!15, !15, i64 0}
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!15 = !{!"short", !6, i64 0}
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