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1; RUN: llc < %s -mtriple=thumbv7-apple-darwin10 -relocation-model=pic | FileCheck %s2; rdar://73876403 4; This now reduces to a single induction variable.5 6@G = external global i32 ; <ptr> [#uses=2]7@array = external global ptr ; <ptr> [#uses=1]8 9define void @t() nounwind optsize {10; CHECK-LABEL: t:11; CHECK: mov{{.*}}, #100012entry:13 %.pre = load i32, ptr @G, align 4 ; <i32> [#uses=1]14 br label %bb15 16bb: ; preds = %bb, %entry17; CHECK: LBB0_1:18; CHECK: subs [[R2:r[0-9]+]], #119; CHECK: adds {{.*}}, [[R2]], #120; CHECK: bne LBB0_121 22 %0 = phi i32 [ %.pre, %entry ], [ %3, %bb ] ; <i32> [#uses=1]23 %indvar = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=2]24 %tmp5 = sub i32 1000, %indvar ; <i32> [#uses=1]25 %1 = load ptr, ptr @array, align 4 ; <ptr> [#uses=1]26 %scevgep = getelementptr i32, ptr %1, i32 %tmp5 ; <ptr> [#uses=1]27 %2 = load i32, ptr %scevgep, align 4 ; <i32> [#uses=1]28 %3 = add nsw i32 %2, %0 ; <i32> [#uses=2]29 store i32 %3, ptr @G, align 430 %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=2]31 %exitcond = icmp eq i32 %indvar.next, 1001 ; <i1> [#uses=1]32 br i1 %exitcond, label %return, label %bb33 34return: ; preds = %bb35 ret void36}37