1 ; RUN: opt < %s -loop-vectorize -force-vector-unroll=1 -force-vector-width=4 -dce -instcombine -S | FileCheck %s 2 3 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" 4 target triple = "x86_64-unknown-linux-gnu" 5 6 ;CHECK-LABEL: @foo( 7 ;CHECK-NOT: <4 x i32> 8 ;CHECK: ret void 9 10 ; Function Attrs: nounwind uwtable 11 define void @foo(i32* nocapture %a, i32* nocapture %b, i32 %k, i32 %m) #0 { 12 entry: 13 %cmp27 = icmp sgt i32 %m, 0 14 br i1 %cmp27, label %for.body3.lr.ph.us, label %for.end15 15 16 for.end.us: ; preds = %for.body3.us 17 %arrayidx9.us = getelementptr inbounds i32* %b, i64 %indvars.iv33 18 %0 = load i32* %arrayidx9.us, align 4, !llvm.mem.parallel_loop_access !3 19 %add10.us = add nsw i32 %0, 3 20 store i32 %add10.us, i32* %arrayidx9.us, align 4, !llvm.mem.parallel_loop_access !3 21 %indvars.iv.next34 = add i64 %indvars.iv33, 1 22 %lftr.wideiv35 = trunc i64 %indvars.iv.next34 to i32 23 %exitcond36 = icmp eq i32 %lftr.wideiv35, %m 24 br i1 %exitcond36, label %for.end15, label %for.body3.lr.ph.us, !llvm.loop !5 25 26 for.body3.us: ; preds = %for.body3.us, %for.body3.lr.ph.us 27 %indvars.iv29 = phi i64 [ 0, %for.body3.lr.ph.us ], [ %indvars.iv.next30, %for.body3.us ] 28 %1 = trunc i64 %indvars.iv29 to i32 29 %add4.us = add i32 %add.us, %1 30 %idxprom.us = sext i32 %add4.us to i64 31 %arrayidx.us = getelementptr inbounds i32* %a, i64 %idxprom.us 32 %2 = load i32* %arrayidx.us, align 4, !llvm.mem.parallel_loop_access !3 33 %add5.us = add nsw i32 %2, 1 34 store i32 %add5.us, i32* %arrayidx7.us, align 4, !llvm.mem.parallel_loop_access !3 35 %indvars.iv.next30 = add i64 %indvars.iv29, 1 36 %lftr.wideiv31 = trunc i64 %indvars.iv.next30 to i32 37 %exitcond32 = icmp eq i32 %lftr.wideiv31, %m 38 br i1 %exitcond32, label %for.end.us, label %for.body3.us, !llvm.loop !4 39 40 for.body3.lr.ph.us: ; preds = %for.end.us, %entry 41 %indvars.iv33 = phi i64 [ %indvars.iv.next34, %for.end.us ], [ 0, %entry ] 42 %3 = trunc i64 %indvars.iv33 to i32 43 %add.us = add i32 %3, %k 44 %arrayidx7.us = getelementptr inbounds i32* %a, i64 %indvars.iv33 45 br label %for.body3.us 46 47 for.end15: ; preds = %for.end.us, %entry 48 ret void 49 } 50 51 attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } 52 53 !3 = metadata !{metadata !4, metadata !5} 54 !4 = metadata !{metadata !4} 55 !5 = metadata !{metadata !5} 56 57