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[flang][OpenMP] Upstream do concurrent
loop-nest detection.
#127595
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Original file line number | Diff line number | Diff line change |
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! Tests loop-nest detection algorithm for do-concurrent mapping. | ||
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! REQUIRES: asserts | ||
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! RUN: %flang_fc1 -emit-hlfir -fopenmp -fdo-concurrent-to-openmp=host \ | ||
! RUN: -mmlir -debug %s -o - 2> %t.log || true | ||
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! RUN: FileCheck %s < %t.log | ||
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program main | ||
implicit none | ||
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contains | ||
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subroutine foo(n) | ||
implicit none | ||
integer :: n, m | ||
integer :: i, j, k | ||
integer :: x | ||
integer, dimension(n) :: a | ||
integer, dimension(n, n, n) :: b | ||
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! CHECK: Loop pair starting at location | ||
! CHECK: loc("{{.*}}":[[# @LINE + 1]]:{{.*}}) is perfectly nested | ||
do concurrent(i=1:n, j=1:bar(n*m, n/m)) | ||
a(i) = n | ||
end do | ||
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! CHECK: Loop pair starting at location | ||
! CHECK: loc("{{.*}}":[[# @LINE + 1]]:{{.*}}) is perfectly nested | ||
do concurrent(i=bar(n, x):n, j=1:bar(n*m, n/m)) | ||
a(i) = n | ||
end do | ||
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! CHECK: Loop pair starting at location | ||
! CHECK: loc("{{.*}}":[[# @LINE + 1]]:{{.*}}) is not perfectly nested | ||
do concurrent(i=bar(n, x):n) | ||
do concurrent(j=1:bar(n*m, n/m)) | ||
a(i) = n | ||
end do | ||
end do | ||
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! CHECK: Loop pair starting at location | ||
! CHECK: loc("{{.*}}":[[# @LINE + 1]]:{{.*}}) is not perfectly nested | ||
do concurrent(i=1:n) | ||
x = 10 | ||
do concurrent(j=1:m) | ||
b(i,j,k) = i * j + k | ||
end do | ||
end do | ||
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! CHECK: Loop pair starting at location | ||
! CHECK: loc("{{.*}}":[[# @LINE + 1]]:{{.*}}) is not perfectly nested | ||
do concurrent(i=1:n) | ||
do concurrent(j=1:m) | ||
b(i,j,k) = i * j + k | ||
end do | ||
x = 10 | ||
end do | ||
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! CHECK: Loop pair starting at location | ||
! CHECK: loc("{{.*}}":[[# @LINE + 1]]:{{.*}}) is not perfectly nested | ||
do concurrent(i=1:n) | ||
do concurrent(j=1:m) | ||
b(i,j,k) = i * j + k | ||
x = 10 | ||
end do | ||
end do | ||
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! Verify the (i,j) and (j,k) pairs of loops are detected as perfectly nested. | ||
! | ||
! CHECK: Loop pair starting at location | ||
! CHECK: loc("{{.*}}":[[# @LINE + 3]]:{{.*}}) is perfectly nested | ||
! CHECK: Loop pair starting at location | ||
! CHECK: loc("{{.*}}":[[# @LINE + 1]]:{{.*}}) is perfectly nested | ||
do concurrent(i=bar(n, x):n, j=1:bar(n*m, n/m), k=1:bar(n*m, bar(n*m, n/m))) | ||
a(i) = n | ||
end do | ||
end subroutine | ||
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pure function bar(n, m) | ||
implicit none | ||
integer, intent(in) :: n, m | ||
integer :: bar | ||
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bar = n + m | ||
end function | ||
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end program main |
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s/mulit/multi