1; RUN: opt -basicaa -loop-vectorize -enable-mem-access-versioning -force-vector-width=2 -force-vector-interleave=1 < %s -S | FileCheck %s 2 3target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 4 5; CHECK-LABEL: test 6define void @test(i32* noalias %A, i64 %AStride, 7 i32* noalias %B, i32 %BStride, 8 i32* noalias %C, i64 %CStride, i32 %N) { 9entry: 10 %cmp13 = icmp eq i32 %N, 0 11 br i1 %cmp13, label %for.end, label %for.body.preheader 12 13; CHECK-DAG: icmp ne i64 %AStride, 1 14; CHECK-DAG: icmp ne i32 %BStride, 1 15; CHECK-DAG: icmp ne i64 %CStride, 1 16; CHECK: or 17; CHECK: or 18; CHECK: br 19 20; CHECK: vector.body 21; CHECK: load <2 x i32> 22 23for.body.preheader: 24 br label %for.body 25 26for.body: 27 %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ] 28 %iv.trunc = trunc i64 %indvars.iv to i32 29 %mul = mul i32 %iv.trunc, %BStride 30 %mul64 = zext i32 %mul to i64 31 %arrayidx = getelementptr inbounds i32* %B, i64 %mul64 32 %0 = load i32* %arrayidx, align 4 33 %mul2 = mul nsw i64 %indvars.iv, %CStride 34 %arrayidx3 = getelementptr inbounds i32* %C, i64 %mul2 35 %1 = load i32* %arrayidx3, align 4 36 %mul4 = mul nsw i32 %1, %0 37 %mul3 = mul nsw i64 %indvars.iv, %AStride 38 %arrayidx7 = getelementptr inbounds i32* %A, i64 %mul3 39 store i32 %mul4, i32* %arrayidx7, align 4 40 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 41 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 42 %exitcond = icmp eq i32 %lftr.wideiv, %N 43 br i1 %exitcond, label %for.end.loopexit, label %for.body 44 45for.end.loopexit: 46 br label %for.end 47 48for.end: 49 ret void 50} 51 52; We used to crash on this function because we removed the fptosi cast when 53; replacing the symbolic stride '%conv'. 54; PR18480 55 56; CHECK-LABEL: fn1 57; CHECK: load <2 x double> 58 59define void @fn1(double* noalias %x, double* noalias %c, double %a) { 60entry: 61 %conv = fptosi double %a to i32 62 %cmp8 = icmp sgt i32 %conv, 0 63 br i1 %cmp8, label %for.body.preheader, label %for.end 64 65for.body.preheader: 66 br label %for.body 67 68for.body: 69 %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ] 70 %0 = trunc i64 %indvars.iv to i32 71 %mul = mul nsw i32 %0, %conv 72 %idxprom = sext i32 %mul to i64 73 %arrayidx = getelementptr inbounds double* %x, i64 %idxprom 74 %1 = load double* %arrayidx, align 8 75 %arrayidx3 = getelementptr inbounds double* %c, i64 %indvars.iv 76 store double %1, double* %arrayidx3, align 8 77 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 78 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 79 %exitcond = icmp eq i32 %lftr.wideiv, %conv 80 br i1 %exitcond, label %for.end.loopexit, label %for.body 81 82for.end.loopexit: 83 br label %for.end 84 85for.end: 86 ret void 87} 88