flang/test/Driver/default-optimization-pipelines.f90

   1 ! Verify that`-O{n}` is indeed taken into account when defining the LLVM optimization/middle-end pass pipeline.
   2
   3 ! RUN: %flang -S -O0 %s -Xflang -fdebug-pass-manager -o /dev/null 2>&1 | FileCheck %s --check-prefix=CHECK-O0
   4 ! RUN: %flang_fc1 -S -O0 %s -fdebug-pass-manager -o /dev/null 2>&1 | FileCheck %s --check-prefix=CHECK-O0
   5
   6 ! RUN: %flang -S -O2 %s -Xflang -fdebug-pass-manager -o /dev/null 2>&1 | FileCheck %s --check-prefix=CHECK-O2
   7 ! RUN: %flang_fc1 -S -O2 %s -fdebug-pass-manager -o /dev/null 2>&1 | FileCheck %s --check-prefix=CHECK-O2
   8
   9 ! Verify that only the left-most `-O{n}` is used
  10 ! RUN: %flang -S -O2 -O0 %s -Xflang -fdebug-pass-manager -o /dev/null 2>&1 | FileCheck %s --check-prefix=CHECK-O0
  11 ! RUN: %flang_fc1 -S -O2 -O0 %s -fdebug-pass-manager -o /dev/null 2>&1 | FileCheck %s --check-prefix=CHECK-O0
  12
  13 ! CHECK-O0-NOT: Running pass: SimplifyCFGPass on simple_loop_
  14 ! CHECK-O0: Running analysis: TargetLibraryAnalysis on simple_loop_
  15
  16 ! CHECK-O2: Running pass: SimplifyCFGPass on simple_loop_
  17
  18 subroutine simple_loop
  19   integer :: i
  20   do i=1,5
  21   end do
  22 end subroutine