| Arnold Schwaighofer | c2e9d75 | 2014-01-10 18:20:32 +0000 | [diff] [blame] | 1 | ; RUN: opt -basicaa -loop-vectorize -enable-mem-access-versioning -force-vector-width=2 -force-vector-unroll=1 < %s -S | FileCheck %s |
| 2 | |
| 3 | target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| 4 | |
| 5 | ; CHECK-LABEL: test |
| 6 | define void @test(i32* noalias %A, i64 %AStride, |
| 7 | i32* noalias %B, i32 %BStride, |
| 8 | i32* noalias %C, i64 %CStride, i32 %N) { |
| 9 | entry: |
| 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 | |
| 23 | for.body.preheader: |
| 24 | br label %for.body |
| 25 | |
| 26 | for.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 | |
| 45 | for.end.loopexit: |
| 46 | br label %for.end |
| 47 | |
| 48 | for.end: |
| 49 | ret void |
| 50 | } |
| Arnold Schwaighofer | dc4c946 | 2014-01-15 03:35:46 +0000 | [diff] [blame^] | 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 | |
| 59 | define void @fn1(double* noalias %x, double* noalias %c, double %a) { |
| 60 | entry: |
| 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 | |
| 65 | for.body.preheader: |
| 66 | br label %for.body |
| 67 | |
| 68 | for.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 | |
| 82 | for.end.loopexit: |
| 83 | br label %for.end |
| 84 | |
| 85 | for.end: |
| 86 | ret void |
| 87 | } |