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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 32; RUN: llc < %s -mtriple=aarch64 -aarch64-enable-sink-fold=true -global-isel | FileCheck %s3 4target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"5target triple = "arm64-apple-macosx13.5.0"6 7; Check we don't crash here with a use-after-free.8 9define i32 @nsis_BZ2_bzDecompress(ptr %pos.i, i1 %cmp661.not3117.i, i1 %exitcond.not.i) {10; CHECK-LABEL: nsis_BZ2_bzDecompress:11; CHECK: // %bb.0: // %entry12; CHECK-NEXT: mov x8, xzr13; CHECK-NEXT: b .LBB0_214; CHECK-NEXT: .LBB0_1: // %while.end671.i15; CHECK-NEXT: // in Loop: Header=BB0_2 Depth=116; CHECK-NEXT: strb w9, [x0]17; CHECK-NEXT: tbnz w2, #0, .LBB0_418; CHECK-NEXT: .LBB0_2: // %for.body653.i19; CHECK-NEXT: // =>This Inner Loop Header: Depth=120; CHECK-NEXT: ldrb w9, [x0]21; CHECK-NEXT: tbnz w1, #0, .LBB0_122; CHECK-NEXT: // %bb.3: // %while.body663.i23; CHECK-NEXT: // in Loop: Header=BB0_2 Depth=124; CHECK-NEXT: ldrb w10, [x8]25; CHECK-NEXT: strb wzr, [x0, x10]26; CHECK-NEXT: b .LBB0_127; CHECK-NEXT: .LBB0_4: // %for.end677.i28; CHECK-NEXT: mov w0, wzr29; CHECK-NEXT: ret30entry:31 br label %for.body653.i32 33for.body653.i: ; preds = %while.end671.i, %entry34 %0 = load i8, ptr null, align 135 %idxprom657.i2 = zext i8 %0 to i6436 %1 = load i8, ptr %pos.i, align 137 br i1 %cmp661.not3117.i, label %while.end671.i, label %while.body663.i38 39while.body663.i: ; preds = %for.body653.i40 %arrayidx669.i = getelementptr [6 x i8], ptr %pos.i, i64 0, i64 %idxprom657.i241 store i8 0, ptr %arrayidx669.i, align 142 br label %while.end671.i43 44while.end671.i: ; preds = %while.body663.i, %for.body653.i45 store i8 %1, ptr %pos.i, align 146 br i1 %exitcond.not.i, label %for.end677.i, label %for.body653.i47 48for.end677.i: ; preds = %while.end671.i49 ret i32 050}51 52