| ; RUN: opt -S -vectorize-num-stores-pred=1 -force-vector-width=1 -force-vector-interleave=2 -loop-vectorize -verify-loop-info -simplifycfg < %s | FileCheck %s --check-prefix=UNROLL |
| ; RUN: opt -S -vectorize-num-stores-pred=1 -force-vector-width=1 -force-vector-interleave=2 -loop-vectorize -verify-loop-info < %s | FileCheck %s --check-prefix=UNROLL-NOSIMPLIFY |
| ; RUN: opt -S -vectorize-num-stores-pred=1 -force-vector-width=2 -force-vector-interleave=1 -loop-vectorize -enable-cond-stores-vec -verify-loop-info -simplifycfg < %s | FileCheck %s --check-prefix=VEC |
| ; RUN: opt -S -vectorize-num-stores-pred=1 -force-vector-width=2 -force-vector-interleave=1 -loop-vectorize -enable-cond-stores-vec -verify-loop-info -simplifycfg -instcombine < %s | FileCheck %s --check-prefix=VEC-IC |
| |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.9.0" |
| |
| ; Test predication of stores. |
| define i32 @test(i32* nocapture %f) #0 { |
| entry: |
| br label %for.body |
| |
| ; VEC-LABEL: test |
| ; VEC: %[[v8:.+]] = icmp sgt <2 x i32> %{{.*}}, <i32 100, i32 100> |
| ; VEC: %[[v9:.+]] = add nsw <2 x i32> %{{.*}}, <i32 20, i32 20> |
| ; VEC: %[[v10:.+]] = and <2 x i1> %[[v8]], <i1 true, i1 true> |
| ; VEC: %[[v11:.+]] = extractelement <2 x i1> %[[v10]], i32 0 |
| ; VEC: %[[v12:.+]] = icmp eq i1 %[[v11]], true |
| ; VEC: %[[v13:.+]] = extractelement <2 x i32> %[[v9]], i32 0 |
| ; VEC: %[[v14:.+]] = extractelement <2 x i32*> %{{.*}}, i32 0 |
| ; VEC: br i1 %[[v12]], label %[[cond:.+]], label %[[else:.+]] |
| ; |
| ; VEC: [[cond]]: |
| ; VEC: store i32 %[[v13]], i32* %[[v14]], align 4 |
| ; VEC: br label %[[else:.+]] |
| ; |
| ; VEC: [[else]]: |
| ; VEC: %[[v15:.+]] = extractelement <2 x i1> %[[v10]], i32 1 |
| ; VEC: %[[v16:.+]] = icmp eq i1 %[[v15]], true |
| ; VEC: %[[v17:.+]] = extractelement <2 x i32> %[[v9]], i32 1 |
| ; VEC: %[[v18:.+]] = extractelement <2 x i32*> %{{.+}} i32 1 |
| ; VEC: br i1 %[[v16]], label %[[cond2:.+]], label %[[else2:.+]] |
| ; |
| ; VEC: [[cond2]]: |
| ; VEC: store i32 %[[v17]], i32* %[[v18]], align 4 |
| ; VEC: br label %[[else2:.+]] |
| ; |
| ; VEC: [[else2]]: |
| |
| ; VEC-IC-LABEL: test |
| ; VEC-IC: %[[v1:.+]] = icmp sgt <2 x i32> %{{.*}}, <i32 100, i32 100> |
| ; VEC-IC: %[[v2:.+]] = add nsw <2 x i32> %{{.*}}, <i32 20, i32 20> |
| ; VEC-IC: %[[v3:.+]] = extractelement <2 x i1> %[[v1]], i32 0 |
| ; VEC-IC: br i1 %[[v3]], label %[[cond:.+]], label %[[else:.+]] |
| ; |
| ; VEC-IC: [[cond]]: |
| ; VEC-IC: %[[v4:.+]] = extractelement <2 x i32> %[[v2]], i32 0 |
| ; VEC-IC: store i32 %[[v4]], i32* %{{.*}}, align 4 |
| ; VEC-IC: br label %[[else:.+]] |
| ; |
| ; VEC-IC: [[else]]: |
| ; VEC-IC: %[[v5:.+]] = extractelement <2 x i1> %[[v1]], i32 1 |
| ; VEC-IC: br i1 %[[v5]], label %[[cond2:.+]], label %[[else2:.+]] |
| ; |
| ; VEC-IC: [[cond2]]: |
| ; VEC-IC: %[[v6:.+]] = extractelement <2 x i32> %[[v2]], i32 1 |
| ; VEC-IC: store i32 %[[v6]], i32* %{{.*}}, align 4 |
| ; VEC-IC: br label %[[else2:.+]] |
| ; |
| ; VEC-IC: [[else2]]: |
| |
| ; UNROLL-LABEL: test |
| ; UNROLL: vector.body: |
| ; UNROLL: %[[IND:[a-zA-Z0-9]+]] = add i64 %{{.*}}, 0 |
| ; UNROLL: %[[IND1:[a-zA-Z0-9]+]] = add i64 %{{.*}}, 1 |
| ; UNROLL: %[[v0:[a-zA-Z0-9]+]] = getelementptr inbounds i32, i32* %f, i64 %[[IND]] |
| ; UNROLL: %[[v1:[a-zA-Z0-9]+]] = getelementptr inbounds i32, i32* %f, i64 %[[IND1]] |
| ; UNROLL: %[[v2:[a-zA-Z0-9]+]] = load i32, i32* %[[v0]], align 4 |
| ; UNROLL: %[[v3:[a-zA-Z0-9]+]] = load i32, i32* %[[v1]], align 4 |
| ; UNROLL: %[[v4:[a-zA-Z0-9]+]] = icmp sgt i32 %[[v2]], 100 |
| ; UNROLL: %[[v5:[a-zA-Z0-9]+]] = icmp sgt i32 %[[v3]], 100 |
| ; UNROLL: %[[v6:[a-zA-Z0-9]+]] = add nsw i32 %[[v2]], 20 |
| ; UNROLL: %[[v7:[a-zA-Z0-9]+]] = add nsw i32 %[[v3]], 20 |
| ; UNROLL: %[[v8:[a-zA-Z0-9]+]] = icmp eq i1 %[[v4]], true |
| ; UNROLL: br i1 %[[v8]], label %[[cond:[a-zA-Z0-9.]+]], label %[[else:[a-zA-Z0-9.]+]] |
| ; |
| ; UNROLL: [[cond]]: |
| ; UNROLL: store i32 %[[v6]], i32* %[[v0]], align 4 |
| ; UNROLL: br label %[[else]] |
| ; |
| ; UNROLL: [[else]]: |
| ; UNROLL: %[[v9:[a-zA-Z0-9]+]] = icmp eq i1 %[[v5]], true |
| ; UNROLL: br i1 %[[v9]], label %[[cond2:[a-zA-Z0-9.]+]], label %[[else2:[a-zA-Z0-9.]+]] |
| ; |
| ; UNROLL: [[cond2]]: |
| ; UNROLL: store i32 %[[v7]], i32* %[[v1]], align 4 |
| ; UNROLL: br label %[[else2]] |
| ; |
| ; UNROLL: [[else2]]: |
| |
| for.body: |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.inc ] |
| %arrayidx = getelementptr inbounds i32, i32* %f, i64 %indvars.iv |
| %0 = load i32, i32* %arrayidx, align 4 |
| %cmp1 = icmp sgt i32 %0, 100 |
| br i1 %cmp1, label %if.then, label %for.inc |
| |
| if.then: |
| %add = add nsw i32 %0, 20 |
| store i32 %add, i32* %arrayidx, align 4 |
| br label %for.inc |
| |
| for.inc: |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %exitcond = icmp eq i64 %indvars.iv.next, 128 |
| br i1 %exitcond, label %for.end, label %for.body |
| |
| for.end: |
| ret i32 0 |
| } |
| |
| ; Track basic blocks when unrolling conditional blocks. This code used to assert |
| ; because we did not update the phi nodes with the proper predecessor in the |
| ; vectorized loop body. |
| ; PR18724 |
| |
| ; UNROLL-NOSIMPLIFY-LABEL: bug18724 |
| ; UNROLL-NOSIMPLIFY: store i32 |
| ; UNROLL-NOSIMPLIFY: store i32 |
| |
| define void @bug18724() { |
| entry: |
| br label %for.body9 |
| |
| for.body9: |
| br i1 undef, label %for.inc26, label %for.body14 |
| |
| for.body14: |
| %indvars.iv3 = phi i64 [ %indvars.iv.next4, %for.inc23 ], [ undef, %for.body9 ] |
| %iNewChunks.120 = phi i32 [ %iNewChunks.2, %for.inc23 ], [ undef, %for.body9 ] |
| %arrayidx16 = getelementptr inbounds [768 x i32], [768 x i32]* undef, i64 0, i64 %indvars.iv3 |
| %tmp = load i32, i32* %arrayidx16, align 4 |
| br i1 undef, label %if.then18, label %for.inc23 |
| |
| if.then18: |
| store i32 2, i32* %arrayidx16, align 4 |
| %inc21 = add nsw i32 %iNewChunks.120, 1 |
| br label %for.inc23 |
| |
| for.inc23: |
| %iNewChunks.2 = phi i32 [ %inc21, %if.then18 ], [ %iNewChunks.120, %for.body14 ] |
| %indvars.iv.next4 = add nsw i64 %indvars.iv3, 1 |
| %tmp1 = trunc i64 %indvars.iv3 to i32 |
| %cmp13 = icmp slt i32 %tmp1, 0 |
| br i1 %cmp13, label %for.body14, label %for.inc26 |
| |
| for.inc26: |
| %iNewChunks.1.lcssa = phi i32 [ undef, %for.body9 ], [ %iNewChunks.2, %for.inc23 ] |
| unreachable |
| } |