| ; RUN: opt -passes=loop-vectorize %s -force-vector-width=1 -force-vector-interleave=2 -S -o - | FileCheck %s |
| |
| define void @foo(ptr addrspace(1) %in) { |
| entry: |
| br label %loop |
| |
| loop: |
| %iter = phi i64 [ %next, %loop ], [ 0, %entry ] |
| %ascast = addrspacecast ptr addrspace(1) %in to ptr |
| %next = add i64 %iter, 1 |
| %arrayidx = getelementptr inbounds i64, ptr %ascast, i64 %next |
| store i64 %next, ptr %arrayidx, align 4 |
| |
| ; check that we find the two interleaved blocks with ascast, gep and store: |
| ; CHECK: pred.store.if: |
| ; CHECK: [[ID1:%.*]] = add i64 %{{.*}}, 1 |
| ; CHECK: [[AS1:%.*]] = addrspacecast ptr addrspace(1) %{{.*}} to ptr |
| ; CHECK: [[GEP1:%.*]] = getelementptr inbounds i64, ptr [[AS1]], i64 [[ID1]] |
| ; CHECK: store i64 [[ID1]], ptr [[GEP1]] |
| |
| ; CHECK: pred.store.if1: |
| ; CHECK: [[ID2:%.*]] = add i64 %{{.*}}, 1 |
| ; CHECK: [[AS2:%.*]] = addrspacecast ptr addrspace(1) %in to ptr |
| ; CHECK: [[GEP2:%.*]] = getelementptr inbounds i64, ptr [[AS2]], i64 [[ID2]] |
| ; CHECK: store i64 [[ID2]], ptr %9, align 4 |
| |
| %cmp = icmp eq i64 %next, 7 |
| br i1 %cmp, label %exit, label %loop |
| |
| ; check that we branch to the exit block |
| ; CHECK: middle.block: |
| ; CHECK: br label %exit |
| |
| exit: |
| ret void |
| ; CHECK: exit: |
| ; CHECK: ret void |
| } |
| |
| ; CHECK: !{{[0-9]*}} = !{!"llvm.loop.isvectorized", i32 1} |