38 lines · plain
1; RUN: opt < %s -passes=loop-vectorize,dce,instcombine -force-vector-interleave=1 -force-vector-width=4 -enable-if-conversion -S | FileCheck %s2 3target 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"4 5;CHECK-LABEL: @reduction_func(6;CHECK-NOT: load <4 x i32>7;CHECK: ret i328define i32 @reduction_func(ptr nocapture %A, i32 %n) nounwind uwtable readonly ssp {9entry:10 %cmp10 = icmp sgt i32 %n, 011 br i1 %cmp10, label %for.body, label %for.end12 13for.body: ; preds = %entry, %for.inc14 %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]15 %sum.011 = phi i32 [ %sum.1, %for.inc ], [ 0, %entry ]16 %arrayidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv17 %0 = load i32, ptr %arrayidx, align 418 %cmp1 = icmp sgt i32 %0, 3019 br i1 %cmp1, label %if.then, label %for.inc20 21if.then: ; preds = %for.body22 %add = add i32 %sum.011, 223 %add4 = add i32 %add, %024 br label %for.inc25 26for.inc: ; preds = %for.body, %if.then27 %sum.1 = phi i32 [ %add4, %if.then ], [ %sum.011, %for.body ]28 %indvars.iv.next = add i64 %indvars.iv, 129 %lftr.wideiv = trunc i64 %indvars.iv.next to i3230 %exitcond = icmp eq i32 %lftr.wideiv, %n31 br i1 %exitcond, label %for.end, label %for.body32 33for.end: ; preds = %for.inc, %entry34 %sum.0.lcssa = phi i32 [ 0, %entry ], [ 4, %for.inc ]35 ret i32 %sum.0.lcssa36}37 38