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llvm-project/flang/test/Lower/basic-program.f90

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[flang] Initial lowering for empty program This patch enable lowering from Fortran to FIR for a basic empty program. It brings all the infrastructure needed for that. As discussed previously, this is the first patch for lowering and follow up patches should be smaller. With this patch we can lower the following code: ``` program basic end program ``` To a the FIR equivalent: ``` func @_QQmain() { return } ``` Follow up patch will add lowering of more complex constructs. Reviewed By: kiranchandramohan, schweitz, PeteSteinfeld Differential Revision: https://reviews.llvm.org/D118436
2022-01-29 05:39:44 +08:00
! RUN: bbc %s --pft-test | FileCheck %s
! RUN: bbc %s -o "-" -emit-fir | FileCheck %s --check-prefix=FIR
program basic
end program
! CHECK: 1 Program basic
! CHECK: 1 EndProgramStmt: end program
! CHECK: End Program basic
! FIR-LABEL: func @_QQmain() {
! FIR: return
! FIR: }