82 lines
2.9 KiB
LLVM
82 lines
2.9 KiB
LLVM
; RUN: opt < %s -S -passes=loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -enable-epilogue-vectorization -epilogue-vectorization-force-VF=4 | FileCheck %s
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; CHECK-LABEL: @f0(
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;
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; CHECK: entry:
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; CHECK: br i1 %cmp.entry, label %iter.check, label %exit, !prof [[PROF_F0_ENTRY:![0-9]+]]
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;
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; CHECK: iter.check:
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; CHECK: br i1 %min.iters.check, label %vec.epilog.scalar.ph, label %vector.scevcheck, !prof [[PROF_F0_UNLIKELY:![0-9]+]]
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;
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; CHECK: vector.scevcheck:
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; CHECK: br i1 %4, label %vec.epilog.scalar.ph, label %vector.main.loop.iter.check, !prof [[PROF_F0_UNLIKELY]]
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;
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; CHECK: vector.main.loop.iter.check:
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; CHECK: br i1 %min.iters.check1, label %vec.epilog.ph, label %vector.ph, !prof [[PROF_F0_UNLIKELY]]
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;
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; CHECK: vector.ph:
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; CHECK: br label %vector.body
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;
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; CHECK: vector.body:
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; CHECK: br i1 %8, label %middle.block, label %vector.body, !prof [[PROF_F0_VECTOR_BODY:![0-9]+]]
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;
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; CHECK: middle.block:
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; CHECK: br i1 %cmp.n, label %exit.loopexit, label %vec.epilog.iter.check, !prof [[PROF_F0_MIDDLE_BLOCKS:![0-9]+]]
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;
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; CHECK: vec.epilog.iter.check:
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; CHECK: br i1 %min.epilog.iters.check, label %vec.epilog.scalar.ph, label %vec.epilog.ph, !prof [[PROF_F0_VEC_EPILOGUE_SKIP:![0-9]+]]
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;
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; CHECK: vec.epilog.ph:
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; CHECK: br label %vec.epilog.vector.body
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;
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; CHECK: vec.epilog.vector.body:
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; CHECK: br i1 %12, label %vec.epilog.middle.block, label %vec.epilog.vector.body, !prof [[PROF_F0_VEC_EPILOG_VECTOR_BODY:![0-9]+]]
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;
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; CHECK: vec.epilog.middle.block:
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; CHECK: br i1 %cmp.n7, label %exit.loopexit, label %vec.epilog.scalar.ph, !prof [[PROF_F0_MIDDLE_BLOCKS:![0-9]+]]
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;
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; CHECK: vec.epilog.scalar.ph:
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; CHECK: br label %loop
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;
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; CHECK: loop:
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; CHECK: br i1 %cmp.loop, label %loop, label %exit.loopexit, !prof [[PROF_F0_LOOP:![0-9]+]]
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;
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; CHECK: exit.loopexit:
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; CHECK: br label %exit
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;
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; CHECK: exit:
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; CHECK: ret void
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define void @f0(i8 %n, i32 %len, ptr %p) !prof !0 {
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entry:
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%cmp.entry = icmp sgt i32 %len, 0
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br i1 %cmp.entry, label %loop, label %exit, !prof !1
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loop:
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%i8 = phi i8 [0, %entry], [%i8.inc, %loop]
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%i32 = phi i32 [0, %entry], [%i32.inc, %loop]
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%ptr = getelementptr inbounds i32, ptr %p, i8 %i8
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store i32 %i32, ptr %ptr
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%i8.inc = add i8 %i8, 1
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%i32.inc = add i32 %i32, 1
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%cmp.loop = icmp ult i32 %i32, %len
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br i1 %cmp.loop, label %loop, label %exit, !prof !2
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exit:
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ret void
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}
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!0 = !{!"function_entry_count", i64 13}
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!1 = !{!"branch_weights", i32 12, i32 1}
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!2 = !{!"branch_weights", i32 1234, i32 1}
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; CHECK: [[PROF_F0_ENTRY]] = !{!"branch_weights", i32 12, i32 1}
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; CHECK: [[PROF_F0_UNLIKELY]] = !{!"branch_weights", i32 1, i32 127}
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; CEHCK: [[PROF_F0_VECTOR_BODY]] = !{!"branch_weights", i32 1, i32 307}
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; CHECK: [[PROF_F0_MIDDLE_BLOCKS]] = !{!"branch_weights", i32 1, i32 3}
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; CHECK: [[PROF_F0_VEC_EPILOGUE_SKIP]] = !{!"branch_weights", i32 4, i32 0}
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; CHECK: [[PROF_F0_VEC_EPILOG_VECTOR_BODY]] = !{!"branch_weights", i32 0, i32 0}
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; CEHCK: [[PROF_F0_LOOP]] = !{!"branch_weights", i32 2, i32 1}
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