; RUN: opt -loop-vectorize -force-vector-interleave=1 -force-vector-width=2 -S < %s | FileCheck %s ; ; Check that the disable_nonforced loop property is honored by the ; loop vectorizer. ; target datalayout = "e-p:64:64:64-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" ; CHECK-LABEL: @disable_nonforced( ; CHECK-NOT: x i32> define void @disable_nonforced(i32* nocapture %a, i32 %n) { entry: %cmp4 = icmp sgt i32 %n, 0 br i1 %cmp4, label %for.body, label %for.end for.body: %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ] %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv %0 = trunc i64 %indvars.iv to i32 store i32 %0, i32* %arrayidx, align 4 %indvars.iv.next = add i64 %indvars.iv, 1 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 %exitcond = icmp eq i32 %lftr.wideiv, %n br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !0 for.end: ret void } !0 = !{!0, !{!"llvm.loop.disable_nonforced"}}