derek.holloway
7502bf64a4
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186 lines
7.3 KiB
LLVM
186 lines
7.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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; RUN: llc -O3 -mtriple x86_64 -filetype asm -o - %s | FileCheck %s
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;
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; This tests that the nomerge attribute for ubsantrap works correctly i.e.,
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; they are lowered to separate ud1 instructions.
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;
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; The LLVM IR was generated from clang/test/CodeGen/ubsan-trap-merge.c.
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;
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; ModuleID = '../clang/test/CodeGen/ubsan-trap-merge.c'
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source_filename = "../clang/test/CodeGen/ubsan-trap-merge.c"
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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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target triple = "x86_64-unknown-linux-gnu"
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; Function Attrs: nounwind uwtable
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define dso_local range(i32 -2147483523, -2147483648) i32 @f(i32 noundef %x) local_unnamed_addr #0 {
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; CHECK-LABEL: f:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: addl $125, %edi
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; CHECK-NEXT: jo .LBB0_1
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; CHECK-NEXT: # %bb.2: # %cont
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; CHECK-NEXT: movl %edi, %eax
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; CHECK-NEXT: retq
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; CHECK-NEXT: .LBB0_1: # %trap
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; CHECK-NEXT: ud1l (%eax), %eax
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entry:
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%0 = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %x, i32 125), !nosanitize !5
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%1 = extractvalue { i32, i1 } %0, 1, !nosanitize !5
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br i1 %1, label %trap, label %cont, !nosanitize !5
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trap: ; preds = %entry
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tail call void @llvm.ubsantrap(i8 0) #4, !nosanitize !5
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unreachable, !nosanitize !5
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cont: ; preds = %entry
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%2 = extractvalue { i32, i1 } %0, 0, !nosanitize !5
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ret i32 %2
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}
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; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
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declare { i32, i1 } @llvm.sadd.with.overflow.i32(i32, i32) #1
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; Function Attrs: cold noreturn nounwind
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declare void @llvm.ubsantrap(i8 immarg) #2
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; Function Attrs: nounwind uwtable
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define dso_local range(i32 -2147483521, -2147483648) i32 @g(i32 noundef %x) local_unnamed_addr #0 {
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; CHECK-LABEL: g:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: addl $127, %edi
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; CHECK-NEXT: jo .LBB1_1
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; CHECK-NEXT: # %bb.2: # %cont
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; CHECK-NEXT: movl %edi, %eax
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; CHECK-NEXT: retq
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; CHECK-NEXT: .LBB1_1: # %trap
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; CHECK-NEXT: ud1l (%eax), %eax
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entry:
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%0 = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %x, i32 127), !nosanitize !5
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%1 = extractvalue { i32, i1 } %0, 1, !nosanitize !5
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br i1 %1, label %trap, label %cont, !nosanitize !5
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trap: ; preds = %entry
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tail call void @llvm.ubsantrap(i8 0) #4, !nosanitize !5
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unreachable, !nosanitize !5
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cont: ; preds = %entry
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%2 = extractvalue { i32, i1 } %0, 0, !nosanitize !5
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ret i32 %2
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}
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; Function Attrs: nounwind uwtable
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define dso_local range(i32 -2147483521, -2147483648) i32 @h(i32 noundef %x, i32 noundef %y) local_unnamed_addr #0 {
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; CHECK-LABEL: h:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: addl $127, %edi
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; CHECK-NEXT: jo .LBB2_3
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; CHECK-NEXT: # %bb.1: # %cont
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; CHECK-NEXT: addl $129, %esi
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; CHECK-NEXT: jo .LBB2_4
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; CHECK-NEXT: # %bb.2: # %cont2
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; CHECK-NEXT: cmpl %esi, %edi
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; CHECK-NEXT: cmovll %edi, %esi
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; CHECK-NEXT: movl %esi, %eax
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; CHECK-NEXT: retq
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; CHECK-NEXT: .LBB2_3: # %trap
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; CHECK-NEXT: ud1l (%eax), %eax
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; CHECK-NEXT: .LBB2_4: # %trap1
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; CHECK-NEXT: ud1l (%eax), %eax
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entry:
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%0 = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %x, i32 127), !nosanitize !5
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%1 = extractvalue { i32, i1 } %0, 1, !nosanitize !5
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br i1 %1, label %trap, label %cont, !nosanitize !5
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trap: ; preds = %entry
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tail call void @llvm.ubsantrap(i8 0) #4, !nosanitize !5
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unreachable, !nosanitize !5
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cont: ; preds = %entry
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%2 = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %y, i32 129), !nosanitize !5
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%3 = extractvalue { i32, i1 } %2, 1, !nosanitize !5
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br i1 %3, label %trap1, label %cont2, !nosanitize !5
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trap1: ; preds = %cont
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tail call void @llvm.ubsantrap(i8 0) #4, !nosanitize !5
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unreachable, !nosanitize !5
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cont2: ; preds = %cont
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%4 = extractvalue { i32, i1 } %2, 0, !nosanitize !5
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%5 = extractvalue { i32, i1 } %0, 0, !nosanitize !5
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%cond = tail call i32 @llvm.smin.i32(i32 %5, i32 %4)
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ret i32 %cond
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}
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; Function Attrs: nounwind uwtable
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define dso_local noundef i32 @m(i32 noundef %x, i32 noundef %y) local_unnamed_addr #0 {
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; CHECK-LABEL: m:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: addl $125, %edi
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; CHECK-NEXT: jo .LBB3_4
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; CHECK-NEXT: # %bb.1: # %f.exit
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; CHECK-NEXT: addl $127, %esi
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; CHECK-NEXT: jo .LBB3_5
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; CHECK-NEXT: # %bb.2: # %g.exit
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; CHECK-NEXT: addl %esi, %edi
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; CHECK-NEXT: jo .LBB3_6
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; CHECK-NEXT: # %bb.3: # %cont
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; CHECK-NEXT: movl %edi, %eax
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; CHECK-NEXT: retq
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; CHECK-NEXT: .LBB3_4: # %trap.i
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; CHECK-NEXT: ud1l (%eax), %eax
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; CHECK-NEXT: .LBB3_5: # %trap.i2
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; CHECK-NEXT: ud1l (%eax), %eax
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; CHECK-NEXT: .LBB3_6: # %trap
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; CHECK-NEXT: ud1l (%eax), %eax
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entry:
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%0 = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %x, i32 125), !nosanitize !5
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%1 = extractvalue { i32, i1 } %0, 1, !nosanitize !5
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br i1 %1, label %trap.i, label %f.exit, !nosanitize !5
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trap.i: ; preds = %entry
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tail call void @llvm.ubsantrap(i8 0) #4, !nosanitize !5
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unreachable, !nosanitize !5
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f.exit: ; preds = %entry
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%2 = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %y, i32 127), !nosanitize !5
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%3 = extractvalue { i32, i1 } %2, 1, !nosanitize !5
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br i1 %3, label %trap.i2, label %g.exit, !nosanitize !5
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trap.i2: ; preds = %f.exit
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tail call void @llvm.ubsantrap(i8 0) #4, !nosanitize !5
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unreachable, !nosanitize !5
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g.exit: ; preds = %f.exit
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%4 = extractvalue { i32, i1 } %0, 0, !nosanitize !5
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%5 = extractvalue { i32, i1 } %2, 0, !nosanitize !5
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%6 = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %4, i32 %5), !nosanitize !5
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%7 = extractvalue { i32, i1 } %6, 1, !nosanitize !5
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br i1 %7, label %trap, label %cont, !nosanitize !5
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trap: ; preds = %g.exit
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tail call void @llvm.ubsantrap(i8 0) #4, !nosanitize !5
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unreachable, !nosanitize !5
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cont: ; preds = %g.exit
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%8 = extractvalue { i32, i1 } %6, 0, !nosanitize !5
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ret i32 %8
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}
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; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
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declare i32 @llvm.smin.i32(i32, i32) #3
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attributes #0 = { nounwind 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 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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attributes #2 = { cold noreturn nounwind }
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attributes #3 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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attributes #4 = { nomerge noreturn nounwind }
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!llvm.module.flags = !{!0, !1, !2, !3}
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!llvm.ident = !{!4}
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!0 = !{i32 1, !"wchar_size", i32 4}
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!1 = !{i32 8, !"PIC Level", i32 2}
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!2 = !{i32 7, !"PIE Level", i32 2}
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!3 = !{i32 7, !"uwtable", i32 2}
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!4 = !{!"clang version 20.0.0git (https://github.com/llvm/llvm-project.git fe3c23b439b9a2d00442d9bc6a4ca86f73066a3d)"}
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!5 = !{}
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