1 // RUN: %clang -c -Ofast -### %s 2>&1 | FileCheck -check-prefix=CHECK-OFAST %s 2 // RUN: %clang -c -O2 -Ofast -### %s 2>&1 | FileCheck -check-prefix=CHECK-OFAST %s 3 // RUN: %clang -c -fno-fast-math -Ofast -### %s 2>&1 | FileCheck -check-prefix=CHECK-OFAST %s 4 // RUN: %clang -c -fno-strict-aliasing -Ofast -### %s 2>&1 | FileCheck -check-prefix=CHECK-OFAST %s 5 // RUN: %clang -c -fno-vectorize -Ofast -### %s 2>&1 | FileCheck -check-prefix=CHECK-OFAST %s 6 // RUN: %clang -c -Ofast -O2 -### -Werror %s 2>&1 | FileCheck -check-prefix=CHECK-OFAST-O2 \ 7 // RUN: %if target={{.*-windows-msvc.*}} %{ --check-prefix=CHECK-OFAST-O2-ALIASING-MSVC %} \ 8 // RUN: %else %{ --check-prefix=CHECK-OFAST-O2-ALIASING %} %s 9 // RUN: %clang -c -Ofast -fno-fast-math -### %s 2>&1 | FileCheck -check-prefix=CHECK-OFAST-NO-FAST-MATH %s 10 // RUN: %clang -c -Ofast -fno-strict-aliasing -### %s 2>&1 | FileCheck -check-prefix=CHECK-OFAST-NO-STRICT-ALIASING %s 11 // RUN: %clang -c -Ofast -fno-vectorize -### %s 2>&1 | FileCheck -check-prefix=CHECK-OFAST-NO-VECTORIZE %s 12 13 // CHECK-OFAST: use '-O3 -ffast-math' for the same behavior, or '-O3' to enable only conforming optimizations 14 // CHECK-OFAST: -cc1 15 // CHECK-OFAST-NOT: -relaxed-aliasing 16 // CHECK-OFAST: -ffast-math 17 // CHECK-OFAST: -Ofast 18 // CHECK-OFAST: -vectorize-loops 19 20 // Lack of warning about '-Ofast' deprecation is checked via -Werror 21 // CHECK-OFAST-O2: -cc1 22 // CHECK-OFAST-O2-ALIASING-NOT: -relaxed-aliasing 23 // CHECK-OFAST-O2-ALIASING-MSVC: -relaxed-aliasing 24 // CHECK-OFAST-O2-NOT: -ffast-math 25 // CHECK-OFAST-O2-NOT: -Ofast 26 // CHECK-OFAST-O2: -vectorize-loops 27 28 // CHECK-OFAST-NO-FAST-MATH: use '-O3 -ffast-math' for the same behavior, or '-O3' to enable only conforming optimizations 29 // CHECK-OFAST-NO-FAST-MATH: -cc1 30 // CHECK-OFAST-NO-FAST-MATH-NOT: -relaxed-aliasing 31 // CHECK-OFAST-NO-FAST-MATH-NOT: -ffast-math 32 // CHECK-OFAST-NO-FAST-MATH: -Ofast 33 // CHECK-OFAST-NO-FAST-MATH: -vectorize-loops 34 35 // CHECK-OFAST-NO-STRICT-ALIASING: use '-O3 -ffast-math' for the same behavior, or '-O3' to enable only conforming optimizations 36 // CHECK-OFAST-NO-STRICT-ALIASING: -cc1 37 // CHECK-OFAST-NO-STRICT-ALIASING: -relaxed-aliasing 38 // CHECK-OFAST-NO-STRICT-ALIASING: -ffast-math 39 // CHECK-OFAST-NO-STRICT-ALIASING: -Ofast 40 // CHECK-OFAST-NO-STRICT-ALIASING: -vectorize-loops 41 42 // CHECK-OFAST-NO-VECTORIZE: use '-O3 -ffast-math' for the same behavior, or '-O3' to enable only conforming optimizations 43 // CHECK-OFAST-NO-VECTORIZE: -cc1 44 // CHECK-OFAST-NO-VECTORIZE-NOT: -relaxed-aliasing 45 // CHECK-OFAST-NO-VECTORIZE: -ffast-math 46 // CHECK-OFAST-NO-VECTORIZE: -Ofast 47 // CHECK-OFAST-NO-VECTORIZE-NOT: -vectorize-loops 48