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This patch adds the following compiler frontend driver options: * -fdebug-unparse (f18 spelling: -funparse) * -fdebug-unparse-with-symbols (f18 spelling: -funparse-with-symbols) The new driver will only accept the new spelling. `f18` will accept both the original and the new spelling. A new base class for frontend actions is added: `PrescanAndSemaAction`. This is added to reduce code duplication that otherwise these new options would lead to. Implementation from * `ParseSyntaxOnlyAction::ExecutionAction` is moved to: * `PrescanAndSemaAction::BeginSourceFileAction` This implementation is now shared between: * PrescanAndSemaAction * ParseSyntaxOnlyAction * DebugUnparseAction * DebugUnparseWithSymbolsAction All tests that don't require other yet unimplemented options are updated. This way `flang-new -fc1` is used instead of `f18` when `FLANG_BUILD_NEW_DRIVER` is set to `On`. In order to facilitate this, `%flang_fc1` is added in the LIT configuration (lit.cfg.py). `asFortran` from f18.cpp is duplicated as `getBasicAsFortran` in FrontendOptions.cpp. At this stage it's hard to find a good place to share this method. I suggest that we revisit this once a switch from `f18` to `flang-new` is complete. Differential Revision: https://reviews.llvm.org/D96483
56 lines
1.3 KiB
Fortran
56 lines
1.3 KiB
Fortran
! RUN: %flang_fc1 -fdebug-unparse-with-symbols %s 2>&1 | FileCheck %s
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! CHECK-NOT: do [1-9]
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! Figure out how to also execute this test.
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program main
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integer :: results(100)
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integer :: count
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count = 0
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if (.true.) then
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do 1 j1=1,2
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count = count + 1
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results(count) = j1
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1 continue
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end if
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do 2 j1=3,4
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do 2 j2=1,2
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if (j1 == j2) then
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do 3 j3=1,2
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count = count + 1
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results(count) = 100*j1 + 10*j2 + j3
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do 3 j4=1,2
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do
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count = count + 1
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results(count) = 10*j3 + j4
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exit
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end do
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3 end do
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else
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do
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do 4 j3=3,4
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count = count + 1
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results(count) = 100*j1 + 10*j2 + j3
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do 4 j4=3,4
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count = count + 1
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results(count) = 10*j3 + j4
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4 end do
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exit
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end do
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end if
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count = count + 1
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results(count) = 10*j1 + j2
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2 continue
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do 5 j1=5,6 ! adjacent non-block DO loops
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count = count + 1
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5 results(count) = j1
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do 6 j1=7,8 ! non-block DO loop at end of execution part
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count = count + 1
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6 results(count) = j1
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if (count == 34 .and. sum(results(1:count)) == 3739) then
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print *, 'pass'
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else
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print *, 'FAIL:', count, sum(results(1:count)), results(1:count)
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end if
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end
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