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 -S -O0 %s -flto -Xflang -fdebug-pass-manager -o /dev/null 2>&1 | FileCheck %s --check-prefix=CHECK-O0-ANYLTO 5! RUN: %flang -S -O0 %s -flto=thin -Xflang -fdebug-pass-manager -o /dev/null 2>&1 | FileCheck %s --check-prefix=CHECK-O0-ANYLTO 6! RUN: %flang_fc1 -S -O0 %s -fdebug-pass-manager -o /dev/null 2>&1 | FileCheck %s --check-prefix=CHECK-O0 7! RUN: %flang_fc1 -S -O0 %s -flto=full -fdebug-pass-manager -o /dev/null 2>&1 | FileCheck %s --check-prefix=CHECK-O0-ANYLTO 8! RUN: %flang_fc1 -S -O0 %s -flto=thin -fdebug-pass-manager -o /dev/null 2>&1 | FileCheck %s --check-prefix=CHECK-O0-ANYLTO 9 10! RUN: %flang -S -O2 %s -Xflang -fdebug-pass-manager -o /dev/null 2>&1 | FileCheck %s --check-prefix=CHECK-O2 11! RUN: %flang -S -O2 %s -flto -Xflang -fdebug-pass-manager -o /dev/null 2>&1 | FileCheck %s --check-prefix=CHECK-O2-LTO 12! RUN: %flang -S -O2 %s -flto=thin -Xflang -fdebug-pass-manager -o /dev/null 2>&1 | FileCheck %s --check-prefix=CHECK-O2-THINLTO 13! RUN: %flang_fc1 -S -O2 %s -fdebug-pass-manager -o /dev/null 2>&1 | FileCheck %s --check-prefix=CHECK-O2 14! RUN: %flang_fc1 -S -O2 %s -flto=full -fdebug-pass-manager -o /dev/null 2>&1 | FileCheck %s --check-prefix=CHECK-O2-LTO 15! RUN: %flang_fc1 -S -O2 %s -flto=thin -fdebug-pass-manager -o /dev/null 2>&1 | FileCheck %s --check-prefix=CHECK-O2-THINLTO 16 17! Verify that only the left-most `-O{n}` is used 18! RUN: %flang -S -O2 -O0 %s -Xflang -fdebug-pass-manager -o /dev/null 2>&1 | FileCheck %s --check-prefix=CHECK-O0 19! RUN: %flang_fc1 -S -O2 -O0 %s -fdebug-pass-manager -o /dev/null 2>&1 | FileCheck %s --check-prefix=CHECK-O0 20 21! CHECK-O0-NOT: Running pass: SimplifyCFGPass on simple_loop_ 22! CHECK-O0: Running analysis: TargetLibraryAnalysis on simple_loop_ 23! CHECK-O0-ANYLTO: Running pass: CanonicalizeAliasesPass on [module] 24! CHECK-O0-ANYLTO: Running pass: NameAnonGlobalPass on [module] 25 26! CHECK-O2: Running pass: SimplifyCFGPass on simple_loop_ 27 28! CHECK-O2-LTO-NOT: Running pass: EliminateAvailableExternallyPass 29! CHECK-O2-LTO: Running pass: CanonicalizeAliasesPass on [module] 30! CHECK-O2-LTO: Running pass: NameAnonGlobalPass on [module] 31 32! CHECK-O2-THINLTO-NOT: Running pass: LoopVectorizePass 33! CHECK-O2-THINLTO: Running pass: CanonicalizeAliasesPass on [module] 34! CHECK-O2-THINLTO: Running pass: NameAnonGlobalPass on [module] 35 36subroutine simple_loop 37 integer :: i 38 do i=1,5 39 end do 40end subroutine 41