derek.holloway
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87 lines
3.3 KiB
Fortran
87 lines
3.3 KiB
Fortran
! Test lowering of real MIN/MAX with -ffp-maxmin-behavior (legacy, portable, extremum, extremenum).
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! Legacy uses arith.cmpf + arith.select; extremum uses arith.maximumf/minimumf;
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! extremenum uses arith.maxnumf/minnumf; portable with -fno-signed-zeros -menable-no-nans uses maxnumf/minnumf.
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! bbc: legacy, extremum, extremenum
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! RUN: bbc -emit-hlfir -o - %s 2>&1 | FileCheck %s -check-prefix=ALL,LEGACY
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! RUN: bbc -emit-hlfir -ffp-maxmin-behavior=legacy -o - %s 2>&1 | FileCheck %s -check-prefix=ALL,LEGACY
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! RUN: bbc -emit-hlfir -ffp-maxmin-behavior=extremum -o - %s 2>&1 | FileCheck %s -check-prefix=ALL,EXTREMUM
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! RUN: bbc -emit-hlfir -ffp-maxmin-behavior=extremenum -o - %s 2>&1 | FileCheck %s -check-prefix=ALL,EXTREMENUM
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! flang -fc1: legacy, extremum, extremenum
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! RUN: %flang_fc1 -emit-hlfir -funsigned -o - %s 2>&1 | FileCheck %s -check-prefix=ALL,LEGACY
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! RUN: %flang_fc1 -emit-hlfir -ffp-maxmin-behavior=legacy -funsigned -o - %s 2>&1 | FileCheck %s -check-prefix=ALL,LEGACY
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! RUN: %flang_fc1 -emit-hlfir -ffp-maxmin-behavior=extremum -funsigned -o - %s 2>&1 | FileCheck %s -check-prefix=ALL,EXTREMUM
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! RUN: %flang_fc1 -emit-hlfir -ffp-maxmin-behavior=extremenum -funsigned -o - %s 2>&1 | FileCheck %s -check-prefix=ALL,EXTREMENUM
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! portable with -fno-signed-zeros -menable-no-nans => maxnumf/minnumf (flang -fc1 only; bbc does not expose these flags)
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! RUN: %flang_fc1 -emit-hlfir -ffp-maxmin-behavior=portable -funsigned -fno-signed-zeros -menable-no-nans -o - %s 2>&1 | FileCheck %s -check-prefix=ALL,PORTABLE-NANNSZ
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subroutine real_max(a, b, r)
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real :: a, b, r
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r = max(a, b)
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end subroutine
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! LEGACY-LABEL: func.func @_QPreal_max(
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! LEGACY: arith.cmpf ogt,
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! LEGACY: arith.select
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! EXTREMUM-LABEL: func.func @_QPreal_max(
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! EXTREMUM: arith.maximumf
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! EXTREMENUM-LABEL: func.func @_QPreal_max(
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! EXTREMENUM: arith.maxnumf
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! PORTABLE-NANNSZ-LABEL: func.func @_QPreal_max(
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! PORTABLE-NANNSZ: arith.maxnumf
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subroutine real_min(a, b, r)
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real :: a, b, r
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r = min(a, b)
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end subroutine
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! LEGACY-LABEL: func.func @_QPreal_min(
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! LEGACY: arith.cmpf olt,
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! LEGACY: arith.select
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! EXTREMUM-LABEL: func.func @_QPreal_min(
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! EXTREMUM: arith.minimumf
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! EXTREMENUM-LABEL: func.func @_QPreal_min(
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! EXTREMENUM: arith.minnumf
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! PORTABLE-NANNSZ-LABEL: func.func @_QPreal_min(
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! PORTABLE-NANNSZ: arith.minnumf
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subroutine signed_max(a, b, r)
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integer :: a, b, r
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r = max(a, b)
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end subroutine signed_max
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! ALL-LABEL: func.func @_QPsigned_max(
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! ALL: arith.maxsi
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subroutine unsigned_max(a, b, r)
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unsigned :: a, b, r
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r = max(a, b)
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end subroutine unsigned_max
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! ALL-LABEL: func.func @_QPunsigned_max(
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! ALL: %[[CVT1:.*]] = fir.convert %{{.*}} : (ui32) -> i32
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! ALL: %[[CVT2:.*]] = fir.convert %{{.*}} : (ui32) -> i32
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! ALL: %[[MAX:.*]] = arith.maxui %[[CVT1]], %[[CVT2]] : i32
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! ALL: fir.convert %[[MAX]] : (i32) -> ui32
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subroutine signed_min(a, b, r)
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integer :: a, b, r
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r = min(a, b)
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end subroutine signed_min
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! ALL-LABEL: func.func @_QPsigned_min(
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! ALL: arith.minsi
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subroutine unsigned_min(a, b, r)
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unsigned :: a, b, r
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r = min(a, b)
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end subroutine unsigned_min
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! ALL-LABEL: func.func @_QPunsigned_min(
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! ALL: %[[CVT1:.*]] = fir.convert %{{.*}} : (ui32) -> i32
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! ALL: %[[CVT2:.*]] = fir.convert %{{.*}} : (ui32) -> i32
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! ALL: %[[MIN:.*]] = arith.minui %[[CVT1]], %[[CVT2]] : i32
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! ALL: fir.convert %[[MIN]] : (i32) -> ui32
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