bf3b704c60
Flang alias analysis used to find allocation site by pattern matching allocation ops in mainly FIR dialect. This MR extends the characterization to instead characterize based on whether the result of an op has MemAlloc effect.
181 lines
7.5 KiB
Fortran
181 lines
7.5 KiB
Fortran
! RUN: bbc -emit-fir -hlfir=false -outline-intrinsics %s -o - | FileCheck %s
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! Test statement function lowering
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! Simple case
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! CHECK-LABEL: func @_QPtest_stmt_0(
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! CHECK-SAME: %{{.*}}: !fir.ref<f32>{{.*}}) -> f32
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real function test_stmt_0(x)
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real :: x, func, arg
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func(arg) = arg + 0.123456
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! CHECK-DAG: %[[x:.*]] = fir.load %arg0
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! CHECK-DAG: %[[cst:.*]] = arith.constant 1.234560e-01
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! CHECK: %[[eval:.*]] = arith.addf %[[x]], %[[cst]]
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! CHECK: fir.store %[[eval]] to %[[resmem:.*]] : !fir.ref<f32>
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test_stmt_0 = func(x)
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! CHECK: %[[res:.*]] = fir.load %[[resmem]]
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! CHECK: return %[[res]]
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end function
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! Check this is not lowered as a simple macro: e.g. argument is only
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! evaluated once even if it appears in several placed inside the
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! statement function expression
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! CHECK-LABEL: func @_QPtest_stmt_only_eval_arg_once() -> f32
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real(4) function test_stmt_only_eval_arg_once()
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real(4) :: only_once, x1
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func(x1) = x1 + x1
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! CHECK: %[[x2:.*]] = fir.alloca f32 {adapt.valuebyref}
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! CHECK: %[[x1:.*]] = fir.call @_QPonly_once()
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! Note: using -emit-fir, so the faked pass-by-reference is exposed
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! CHECK: fir.store %[[x1]] to %[[x2]]
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! CHECK: addf %{{.*}}, %{{.*}}
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test_stmt_only_eval_arg_once = func(only_once())
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end function
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! Test nested statement function (note that they cannot be recursively
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! nested as per F2018 C1577).
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real function test_stmt_1(x, a)
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real :: y, a, b, foo
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real :: func1, arg1, func2, arg2
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real :: res1, res2
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func1(arg1) = a + foo(arg1)
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func2(arg2) = func1(arg2) + b
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! CHECK-DAG: %[[bmem:.*]] = fir.alloca f32 {{{.*}}uniq_name = "{{.*}}Eb"}
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! CHECK-DAG: %[[res1:.*]] = fir.alloca f32 {{{.*}}uniq_name = "{{.*}}Eres1"}
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! CHECK-DAG: %[[res2:.*]] = fir.alloca f32 {{{.*}}uniq_name = "{{.*}}Eres2"}
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b = 5
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! CHECK-DAG: %[[cst_8:.*]] = arith.constant 8.000000e+00
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! CHECK-DAG: fir.store %[[cst_8]] to %[[tmp1:.*]] : !fir.ref<f32>
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! CHECK-DAG: %[[foocall1:.*]] = fir.call @_QPfoo(%[[tmp1]])
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! CHECK-DAG: %[[aload1:.*]] = fir.load %arg1
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! CHECK: %[[add1:.*]] = arith.addf %[[aload1]], %[[foocall1]]
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! CHECK: fir.store %[[add1]] to %[[res1]]
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res1 = func1(8.)
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! CHECK-DAG: %[[a2:.*]] = fir.load %arg1
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! CHECK-DAG: %[[foocall2:.*]] = fir.call @_QPfoo(%arg0)
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! CHECK-DAG: %[[add2:.*]] = arith.addf %[[a2]], %[[foocall2]]
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! CHECK-DAG: %[[b:.*]] = fir.load %[[bmem]]
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! CHECK: %[[add3:.*]] = arith.addf %[[add2]], %[[b]]
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! CHECK: fir.store %[[add3]] to %[[res2]]
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res2 = func2(x)
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! CHECK-DAG: %[[res12:.*]] = fir.load %[[res1]]
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! CHECK-DAG: %[[res22:.*]] = fir.load %[[res2]]
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! CHECK: = arith.addf %[[res12]], %[[res22]] {{.*}}: f32
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test_stmt_1 = res1 + res2
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! CHECK: return %{{.*}} : f32
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end function
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! Test statement functions with no argument.
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! Test that they are not pre-evaluated.
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! CHECK-LABEL: func @_QPtest_stmt_no_args
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real function test_stmt_no_args(x, y)
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func() = x + y
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! CHECK: addf
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a = func()
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! CHECK: fir.call @_QPfoo_may_modify_xy
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call foo_may_modify_xy(x, y)
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! CHECK: addf
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! CHECK: addf
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test_stmt_no_args = func() + a
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end function
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! Test statement function with character arguments
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! CHECK-LABEL: @_QPtest_stmt_character
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integer function test_stmt_character(c, j)
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integer :: i, j, func, argj
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character(10) :: c, argc
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! CHECK-DAG: %[[unboxed:.*]]:2 = fir.unboxchar %arg0 :
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! CHECK-DAG: %[[ref:.*]] = fir.convert %[[unboxed]]#0 : (!fir.ref<!fir.char<1,?>>) -> !fir.ref<!fir.char<1,10>>
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! CHECK-DAG: %[[c10:.*]] = arith.constant 10 :
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! CHECK-DAG: %[[ref_cast:.*]] = fir.convert %[[ref]] : (!fir.ref<!fir.char<1,10>>) -> !fir.ref<!fir.char<1,?>>
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! CHECK: %[[c10_cast:.*]] = fir.convert %[[c10]] : (i32) -> index
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! CHECK: %[[c:.*]] = fir.emboxchar %[[ref_cast]], %[[c10_cast]]
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func(argc, argj) = len_trim(argc, 4) + argj
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! CHECK: addi %{{.*}}, %{{.*}} : i
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test_stmt_character = func(c, j)
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end function
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! Test statement function with a character actual argument whose
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! length may be different than the dummy length (the dummy length
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! must be used inside the statement function).
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! CHECK-LABEL: @_QPtest_stmt_character_with_different_length(
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! CHECK-SAME: %[[arg0:.*]]: !fir.boxchar<1>
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integer function test_stmt_character_with_different_length(c)
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integer :: func, ifoo
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character(10) :: argc
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character(*) :: c
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! CHECK-DAG: %[[unboxed:.*]]:2 = fir.unboxchar %[[arg0]] :
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! CHECK-DAG: %[[c10:.*]] = arith.constant 10 :
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! CHECK: %[[c10_cast:.*]] = fir.convert %[[c10]] : (i32) -> index
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! CHECK: %[[argc:.*]] = fir.emboxchar %[[unboxed]]#0, %[[c10_cast]]
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! CHECK: fir.call @_QPifoo(%[[argc]]) {{.*}}: (!fir.boxchar<1>) -> i32
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func(argc) = ifoo(argc)
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test_stmt_character = func(c)
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end function
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! CHECK-LABEL: @_QPtest_stmt_character_with_different_length_2(
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! CHECK-SAME: %[[arg0:.*]]: !fir.boxchar<1>{{.*}}, %[[arg1:.*]]: !fir.ref<i32>
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integer function test_stmt_character_with_different_length_2(c, n)
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integer :: func, ifoo
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character(n) :: argc
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character(*) :: c
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! CHECK: %[[unboxed:.*]]:2 = fir.unboxchar %[[arg0]] :
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! CHECK: %[[n:.*]] = fir.load %[[arg1]] : !fir.ref<i32>
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! CHECK: %[[n_is_positive:.*]] = arith.cmpi sgt, %[[n]], %c0{{.*}} : i32
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! CHECK: %[[len:.*]] = arith.select %[[n_is_positive]], %[[n]], %c0{{.*}} : i32
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! CHECK: %[[lenCast:.*]] = fir.convert %[[len]] : (i32) -> index
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! CHECK: %[[argc:.*]] = fir.emboxchar %[[unboxed]]#0, %[[lenCast]] : (!fir.ref<!fir.char<1,?>>, index) -> !fir.boxchar<1>
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! CHECK: fir.call @_QPifoo(%[[argc]]) {{.*}}: (!fir.boxchar<1>) -> i32
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func(argc) = ifoo(argc)
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test_stmt_character = func(c)
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end function
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! issue #247
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! CHECK-LABEL: @_QPbug247
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subroutine bug247(r)
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I(R) = R
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! CHECK: fir.call {{.*}}OutputInteger
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PRINT *, I(2.5)
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! CHECK: fir.call {{.*}}EndIo
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END subroutine bug247
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! Test that the argument is truncated to the length of the dummy argument.
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subroutine truncate_arg
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character(4) arg
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character(10) stmt_fct
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stmt_fct(arg) = arg
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print *, stmt_fct('longer_arg')
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end subroutine
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! CHECK-LABEL: @_QPtruncate_arg
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! CHECK: %[[c4:.*]] = arith.constant 4 : i32
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! CHECK: %[[arg:.*]] = fir.address_of(@_QQclX{{.*}}) : !fir.ref<!fir.char<1,10>>
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! CHECK: %[[cast_arg:.*]] = fir.convert %[[arg]] : (!fir.ref<!fir.char<1,10>>) -> !fir.ref<!fir.char<1,?>>
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! CHECK: %[[c10:.*]] = arith.constant 10 : i64
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! CHECK: %[[temp:.*]] = fir.alloca !fir.char<1,10> {bindc_name = ".chrtmp"}
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! CHECK: %[[c10_index:.*]] = fir.convert %[[c10]] : (i64) -> index
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! CHECK: %[[c4_index:.*]] = fir.convert %[[c4]] : (i32) -> index
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! CHECK: %[[cmpi:.*]] = arith.cmpi slt, %[[c10_index]], %[[c4_index]] : index
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! CHECK: %[[select:.*]] = arith.select %[[cmpi]], %[[c10_index]], %[[c4_index]] : index
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! CHECK: %[[c1:.*]] = arith.constant 1 : i64
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! CHECK: %[[select_i64:.*]] = fir.convert %[[select]] : (index) -> i64
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! CHECK: %[[length:.*]] = arith.muli %[[c1]], %[[select_i64]] : i64
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! CHECK: %[[cast_temp_i8:.*]] = fir.convert %[[temp]] : (!fir.ref<!fir.char<1,10>>) -> !llvm.ptr
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! CHECK: %[[cast_arg_i8:.*]] = fir.convert %[[cast_arg]] : (!fir.ref<!fir.char<1,?>>) -> !llvm.ptr
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! CHECK: "llvm.intr.memmove"(%[[cast_temp_i8]], %[[cast_arg_i8]], %[[length]]) <{isVolatile = false}> : (!llvm.ptr, !llvm.ptr, i64) -> ()
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! CHECK: %[[c1_i64:.*]] = arith.constant 1 : i64
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! CHECK: %[[ub:.*]] = arith.subi %[[c10]], %[[c1_i64]] : i64
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! CHECK: %[[ub_index:.*]] = fir.convert %[[ub]] : (i64) -> index
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! CHECK: fir.do_loop %{{.*}} = %[[select]] to %[[ub_index]] step %{{.*}} {
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! CHECK: %[[cast_temp:.*]] = fir.convert %[[temp:.*]] : (!fir.ref<!fir.char<1,10>>) -> !fir.ref<i8>
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! CHECK: %{{.*}} = fir.call @_FortranAioOutputAscii(%{{.*}}, %[[cast_temp]], %[[c10]]) {{.*}}: (!fir.ref<i8>, !fir.ref<i8>, i64) -> i1
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