c1779f33bd
This patch adds the support of these two directives : `!dir$ inline` and `!dir$ noinline`. - `!dir$ noinline` tells to the compiler to not perform inlining on specific function calls by adding the `noinline` metadata on the call. - `!dir$ inline` tells to the compiler to attempt inlining on specific function calls by adding the `inlinehint` metadata on the call. - `!dir$ forceinline` tells to the compiler to always perfom inlining on specific function calls by adding the `alwaysinline` metadata on the call. Currently, these directives can be placed before a `DO LOOP`, call functions or assignments. Maybe other statements can be added in the future if needed. For the `inline` directive the correct name might be `forceinline` but I'm not sure ?
70 lines
2.3 KiB
Fortran
70 lines
2.3 KiB
Fortran
! This directory can be used to add Integration tests involving multiple stages of the compiler (for eg. from Fortran to LLVM IR).
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! It should not contain executable tests. We should only add tests here sparingly and only if there is no other way to test.
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! RUN: %flang_fc1 -emit-llvm -o - %s | FileCheck %s
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! CHECK-LABEL: test_inline
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subroutine test_inline()
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integer :: x, y
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!CHECK: %[[VAL_1:.*]] = alloca i32, i64 1, align 4
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!CHECK: %[[VAL_2:.*]] = alloca i32, i64 1, align 4
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!CHECK: %[[VAL_3:.*]] = alloca i32, i64 1, align 4
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!CHECK: %[[VAL_4:.*]] = alloca i32, i64 1, align 4
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!dir$ forceinline
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y = g(x)
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!dir$ forceinline
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call f(x, y)
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!CHECK: %[[VAL_5:.*]] = load i32, ptr %[[VAL_3]], align 4
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!CHECK: %[[VAL_6:.*]] = mul i32 %[[VAL_5]], 2
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!CHECK: store i32 %6, ptr %[[VAL_1]], align 4
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!CHECK: %[[VAL_7:.*]] = load i32, ptr %[[VAL_1]], align 4
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!CHECK: store i32 %7, ptr %[[VAL_2]], align 4
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!CHECK: %[[VAL_8:.]] = load i32, ptr %[[VAL_3]], align 4
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!CHECK: %[[VAL_9:.]] = mul i32 %[[VAL_8]], 2
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!CHECK: store i32 %9, ptr %[[VAL_2]], align 4
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!dir$ inline
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y = g(x)
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!dir$ inline
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call f(x, y)
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!CHECK: %[[VAL_10:.*]] = call i32 @_QFtest_inlinePg(ptr %[[VAL_3]]) #[[INLINE:.*]]
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!CHECK: store i32 %[[VAL_10]], ptr %[[VAL_2]], align 4
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!CHECK: call void @_QFtest_inlinePf(ptr %[[VAL_3]], ptr %[[VAL_2]]) #[[INLINE]]
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!dir$ inline
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do i = 1, 100
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call f(x, y)
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!CHECK: br i1 %[[VAL_14:.*]], label %[[VAL_15:.*]], label %[[VAL_19:.*]]
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!CHECK: call void @_QFtest_inlinePf(ptr %[[VAL_3]], ptr %[[VAL_2]]) #[[INLINE]]
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enddo
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!dir$ noinline
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y = g(x)
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!dir$ noinline
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call f(x, y)
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!CHECK: %[[VAL_10:.*]] = call i32 @_QFtest_inlinePg(ptr %[[VAL_3]]) #[[NOINLINE:.*]]
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!CHECK: store i32 %[[VAL_10]], ptr %[[VAL_2]], align 4
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!CHECK: call void @_QFtest_inlinePf(ptr %[[VAL_3]], ptr %[[VAL_2]]) #[[NOINLINE]]
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!dir$ noinline
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do i = 1, 100
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call f(x, y)
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!CHECK: br i1 %[[VAL_14:.*]], label %[[VAL_15:.*]], label %[[VAL_19:.*]]
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!CHECK: call void @_QFtest_inlinePf(ptr %[[VAL_3]], ptr %[[VAL_2]]) #[[NOINLINE]]
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enddo
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contains
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subroutine f(x, y)
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integer, intent(in) :: x
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integer, intent(out) :: y
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y = x*2
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end subroutine f
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integer function g(x)
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integer :: x
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g = x*2
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end function g
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end subroutine test_inline
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!CHECK: attributes #[[INLINE]] = { inlinehint }
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!CHECK: attributes #[[NOINLINE]] = { noinline }
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