1 ; RUN: opt -loop-vectorize -S < %s | FileCheck %s 2 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 3 target triple = "x86_64-unknown-linux-gnu" 4 5 ; Function Attrs: norecurse nounwind uwtable 6 define void @Test(i32* nocapture %res, i32* nocapture readnone %c, i32* nocapture readonly %d, i32* nocapture readonly %p) #0 { 7 entry: 8 br label %for.body 9 10 ; CHECK-LABEL: @Test 11 ; CHECK: <4 x i32> 12 13 for.body: ; preds = %cond.end, %entry 14 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %cond.end ] 15 %arrayidx = getelementptr inbounds i32, i32* %p, i64 %indvars.iv 16 %0 = load i32, i32* %arrayidx, align 4, !llvm.mem.parallel_loop_access !0 17 %cmp1 = icmp eq i32 %0, 0 18 %arrayidx3 = getelementptr inbounds i32, i32* %res, i64 %indvars.iv 19 %1 = load i32, i32* %arrayidx3, align 4, !llvm.mem.parallel_loop_access !0 20 br i1 %cmp1, label %cond.end, label %cond.false 21 22 cond.false: ; preds = %for.body 23 %arrayidx7 = getelementptr inbounds i32, i32* %d, i64 %indvars.iv 24 %2 = load i32, i32* %arrayidx7, align 4, !llvm.mem.parallel_loop_access !0 25 %add = add nsw i32 %2, %1 26 br label %cond.end 27 28 cond.end: ; preds = %for.body, %cond.false 29 %cond = phi i32 [ %add, %cond.false ], [ %1, %for.body ] 30 store i32 %cond, i32* %arrayidx3, align 4, !llvm.mem.parallel_loop_access !0 31 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 32 %exitcond = icmp eq i64 %indvars.iv.next, 16 33 br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !0 34 35 for.end: ; preds = %cond.end 36 ret void 37 } 38 39 attributes #0 = { norecurse nounwind uwtable "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" } 40 41 !0 = distinct !{!0} 42
