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! This directory can be used to add Integration tests involving multiple stages of the compiler (for eg. from Fortran to LLVM IR).
! It should not contain executable tests. We should only add tests here sparingly and only if there is no other way to test.
! RUN: %flang_fc1 -emit-llvm -o - %s | FileCheck %s
! CHECK-LABEL: test_inline
subroutine test_inline()
integer :: x, y
!CHECK: %[[VAL_1:.*]] = alloca i32, i64 1, align 4
!CHECK: %[[VAL_2:.*]] = alloca i32, i64 1, align 4
!CHECK: %[[VAL_3:.*]] = alloca i32, i64 1, align 4
!CHECK: %[[VAL_4:.*]] = alloca i32, i64 1, align 4
!dir$ forceinline
y = g(x)
!dir$ forceinline
call f(x, y)
!CHECK: %[[VAL_5:.*]] = load i32, ptr %[[VAL_3]], align 4
!CHECK: %[[VAL_6:.*]] = mul i32 %[[VAL_5]], 2
!CHECK: store i32 %6, ptr %[[VAL_1]], align 4
!CHECK: %[[VAL_7:.*]] = load i32, ptr %[[VAL_1]], align 4
!CHECK: store i32 %7, ptr %[[VAL_2]], align 4
!CHECK: %[[VAL_8:.]] = load i32, ptr %[[VAL_3]], align 4
!CHECK: %[[VAL_9:.]] = mul i32 %[[VAL_8]], 2
!CHECK: store i32 %9, ptr %[[VAL_2]], align 4
!dir$ inline
y = g(x)
!dir$ inline
call f(x, y)
!CHECK: %[[VAL_10:.*]] = call i32 @_QFtest_inlinePg(ptr %[[VAL_3]]) #[[INLINE:.*]]
!CHECK: store i32 %[[VAL_10]], ptr %[[VAL_2]], align 4
!CHECK: call void @_QFtest_inlinePf(ptr %[[VAL_3]], ptr %[[VAL_2]]) #[[INLINE]]
!dir$ inline
do i = 1, 100
call f(x, y)
!CHECK: br i1 %[[VAL_14:.*]], label %[[VAL_15:.*]], label %[[VAL_19:.*]]
!CHECK: call void @_QFtest_inlinePf(ptr %[[VAL_3]], ptr %[[VAL_2]]) #[[INLINE]]
enddo
!dir$ noinline
y = g(x)
!dir$ noinline
call f(x, y)
!CHECK: %[[VAL_10:.*]] = call i32 @_QFtest_inlinePg(ptr %[[VAL_3]]) #[[NOINLINE:.*]]
!CHECK: store i32 %[[VAL_10]], ptr %[[VAL_2]], align 4
!CHECK: call void @_QFtest_inlinePf(ptr %[[VAL_3]], ptr %[[VAL_2]]) #[[NOINLINE]]
!dir$ noinline
do i = 1, 100
call f(x, y)
!CHECK: br i1 %[[VAL_14:.*]], label %[[VAL_15:.*]], label %[[VAL_19:.*]]
!CHECK: call void @_QFtest_inlinePf(ptr %[[VAL_3]], ptr %[[VAL_2]]) #[[NOINLINE]]
enddo
contains
subroutine f(x, y)
integer, intent(in) :: x
integer, intent(out) :: y
y = x*2
end subroutine f
integer function g(x)
integer :: x
g = x*2
end function g
end subroutine test_inline
!CHECK: attributes #[[INLINE]] = { inlinehint }
!CHECK: attributes #[[NOINLINE]] = { noinline }
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