derek.holloway
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44 lines
2.1 KiB
Fortran
44 lines
2.1 KiB
Fortran
! FIXME: https://github.com/llvm/llvm-project/issues/123668
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!
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! DEFINE: %{triple} =
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! DEFINE: %{check-unroll} = %flang_fc1 -emit-llvm -O1 -vectorize-loops -funroll-loops -mllvm -force-vector-width=2 -triple %{triple} -o- %s | FileCheck %s --check-prefixes=CHECK,UNROLL
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! DEFINE: %{check-nounroll} = %flang_fc1 -emit-llvm -O1 -vectorize-loops -mllvm -force-vector-width=2 -triple %{triple} -o- %s | FileCheck %s --check-prefixes=CHECK,NO-UNROLL
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!
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! REDEFINE: %{triple} = aarch64-unknown-linux-gnu
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! RUN: %if aarch64-registered-target %{ %{check-unroll} %}
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! RUN: %if aarch64-registered-target %{ %{check-nounroll} %}
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!
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! REDEFINE: %{triple} = x86_64-unknown-linux-gnu
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! RUN: %if x86-registered-target %{ %{check-unroll} %}
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! RUN: %if x86-registered-target %{ %{check-nounroll} %}
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!
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! CHECK-LABEL: @unroll
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! CHECK-SAME: (ptr {{[^%]*}}%[[ARG0:.*]])
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subroutine unroll(a)
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integer(kind=8), intent(out) :: a(1000)
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integer(kind=8) :: i
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! CHECK: br label %[[BLK:.*]]
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! CHECK: [[BLK]]:
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! CHECK-NEXT: %[[IND:.*]] = phi i64 [ 0, %{{.*}} ], [ %[[NIV:.*]], %[[BLK]] ]
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! CHECK-NEXT: %[[VIND:.*]] = phi <2 x i64> [ <i64 1, i64 2>, %{{.*}} ], [ %[[NVIND:.*]], %[[BLK]] ]
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!
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! NO-UNROLL-NEXT: %[[GEP:.*]] = getelementptr [8 x i8], ptr %[[ARG0]], i64 %[[IND]]
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! NO-UNROLL-NEXT: store <2 x i64> %[[VIND]], ptr %[[GEP]]
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! NO-UNROLL-NEXT: %[[NIV:.*]] = add nuw i64 %{{.*}}, 2
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! NO-UNROLL-NEXT: %[[NVIND]] = add nuw nsw <2 x i64> %[[VIND]], splat (i64 2)
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!
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! UNROLL-NEXT: %[[VIND1:.*]] = add nuw nsw <2 x i64> %[[VIND]], splat (i64 2)
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! UNROLL-NEXT: %[[GEP0:.*]] = getelementptr [8 x i8], ptr %[[ARG0]], i64 %[[IND]]
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! UNROLL-NEXT: %[[GEP1:.*]] = getelementptr i8, ptr %[[GEP0]], i64 16
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! UNROLL-NEXT: store <2 x i64> %[[VIND]], ptr %[[GEP0]]
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! UNROLL-NEXT: store <2 x i64> %[[VIND1]], ptr %[[GEP1]]
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! UNROLL-NEXT: %[[NIV:.*]] = add nuw i64 %[[IND]], 4
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! UNROLL-NEXT: %[[NVIND:.*]] = add nuw nsw <2 x i64> %[[VIND]], splat (i64 4)
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!
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! CHECK-NEXT: %[[EXIT:.*]] = icmp eq i64 %[[NIV]], 1000
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! CHECK-NEXT: br i1 %[[EXIT]], label %{{.*}}, label %[[BLK]]
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do i=1,1000
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a(i) = i
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end do
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end subroutine
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