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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; Check that negative oob gep do not generate invalid check.3; RUN: opt < %s -passes=bounds-checking -S | FileCheck %s4target datalayout = "e-p:64:64:64-p1:16:16:16-p2:64:64:64:48-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"5 6 7@str = global [100 x i8] zeroinitializer, align 18 9define i16 @main() {10; CHECK-LABEL: @main(11; CHECK-NEXT: entry:12; CHECK-NEXT: br label [[FOR_COND:%.*]]13; CHECK: for.cond:14; CHECK-NEXT: [[I_0:%.*]] = phi i8 [ 65, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[TMP4:%.*]] ]15; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i8 [[I_0]], 7616; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END:%.*]], label [[TMP4]]17; CHECK: for.inc:18; CHECK-NEXT: [[I_0_C:%.*]] = sext i8 [[I_0]] to i6419; CHECK-NEXT: [[TMP0:%.*]] = add i64 -65, [[I_0_C]]20; CHECK-NEXT: [[GEP:%.*]] = getelementptr i8, ptr getelementptr (i8, ptr @str, i8 -65), i8 [[I_0]]21; CHECK-NEXT: [[TMP1:%.*]] = sub i64 100, [[TMP0]]22; CHECK-NEXT: store i8 [[I_0]], ptr [[GEP]], align 123; CHECK-NEXT: [[INC]] = add nuw nsw i8 [[I_0]], 124; CHECK-NEXT: br label [[FOR_COND]]25; CHECK: for.end:26; CHECK-NEXT: ret i16 027;28entry:29 br label %for.cond30 31for.cond:32 %i.0 = phi i8 [ 65, %entry ], [ %inc, %for.inc ]33 %exitcond.not = icmp eq i8 %i.0, 7634 br i1 %exitcond.not, label %for.end, label %for.inc35 36for.inc: ; preds = %for.cond37 %gep = getelementptr i8, ptr getelementptr (i8, ptr @str, i8 -65), i8 %i.038 store i8 %i.0, ptr %gep, align 139 %inc = add nuw nsw i8 %i.0, 140 br label %for.cond41 42for.end:43 ret i16 044}45 46