1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -S -loop-unroll -unroll-count=2 | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; Checks that "llvm.loop.unroll.disable" is set when 3*9880d681SAndroid Build Coastguard Worker; unroll with count set by user has been applied. 4*9880d681SAndroid Build Coastguard Worker; 5*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @foo( 6*9880d681SAndroid Build Coastguard Worker; CHECK: llvm.loop.unroll.disable 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Workerdefine void @foo(i32* nocapture %a) { 9*9880d681SAndroid Build Coastguard Workerentry: 10*9880d681SAndroid Build Coastguard Worker br label %for.body 11*9880d681SAndroid Build Coastguard Worker 12*9880d681SAndroid Build Coastguard Workerfor.body: ; preds = %for.body, %entry 13*9880d681SAndroid Build Coastguard Worker %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 14*9880d681SAndroid Build Coastguard Worker %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv 15*9880d681SAndroid Build Coastguard Worker %0 = load i32, i32* %arrayidx, align 4 16*9880d681SAndroid Build Coastguard Worker %inc = add nsw i32 %0, 1 17*9880d681SAndroid Build Coastguard Worker store i32 %inc, i32* %arrayidx, align 4 18*9880d681SAndroid Build Coastguard Worker %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 19*9880d681SAndroid Build Coastguard Worker %exitcond = icmp eq i64 %indvars.iv.next, 64 20*9880d681SAndroid Build Coastguard Worker br i1 %exitcond, label %for.end, label %for.body 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard Workerfor.end: ; preds = %for.body 23*9880d681SAndroid Build Coastguard Worker ret void 24*9880d681SAndroid Build Coastguard Worker} 25*9880d681SAndroid Build Coastguard Worker 26