derek.holloway
7502bf64a4
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33 lines
1.2 KiB
Fortran
33 lines
1.2 KiB
Fortran
! RUN: %flang_fc1 -emit-hlfir -O3 %s -o - | FileCheck %s --check-prefix=CHECK-O3
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! RUN: %flang_fc1 -emit-hlfir -O3 -ffast-math %s -o - | FileCheck %s --check-prefix=CHECK-FAST
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! RUN: %flang_fc1 -emit-hlfir -O3 -ffast-math -fno-protect-parens %s -o - | FileCheck %s --check-prefix=CHECK-FAST-NO-PROTECT
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real :: a, b, c, d, e
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b = 1.0
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c = 2.0
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d = 3.0
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e = 4.0
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a = b * (c * d * e)
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print *, a
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end
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! With -O3, fastmath<contract> everywhere and protect parens
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! CHECK-O3: arith.mulf {{.*}} fastmath<contract>
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! CHECK-O3: arith.mulf {{.*}} fastmath<contract>
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! CHECK-O3: hlfir.no_reassoc
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! CHECK-O3: arith.mulf {{.*}} fastmath<contract>
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! With -O3 -ffast-math, regulare computations have fastmath<fast>, but still
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! protect parens, so the last multiplication is fastmath<contract>
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! CHECK-FAST: arith.mulf {{.*}} fastmath<fast>
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! CHECK-FAST: arith.mulf {{.*}} fastmath<fast>
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! CHECK-FAST: hlfir.no_reassoc
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! CHECK-FAST: arith.mulf {{.*}} fastmath<{{.*}}contract
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! With -O3 -ffast-math -fno-protect-parens, fastmath<fast> everywhere
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! (don't protect parens)
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! CHECK-FAST-NO-PROTECT: arith.mulf {{.*}} fastmath<fast>
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! CHECK-FAST-NO-PROTECT: arith.mulf {{.*}} fastmath<fast>
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! CHECK-FAST-NO-PROTECT: hlfir.no_reassoc
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! CHECK-FAST-NO-PROTECT: arith.mulf {{.*}} fastmath<fast>
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