diff options
| -rw-r--r-- | lib/Driver/Tools.cpp | 7 | ||||
| -rw-r--r-- | test/Driver/Ofast.c | 11 |
2 files changed, 17 insertions, 1 deletions
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp index d93c5cb449..2ea4932a84 100644 --- a/lib/Driver/Tools.cpp +++ b/lib/Driver/Tools.cpp @@ -3284,8 +3284,13 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, false)) CmdArgs.push_back("-fasm-blocks"); + // If -Ofast is the optimization level, then -fvectorize should be enabled. + // This alias option is being used to simplify the hasFlag logic. + OptSpecifier VectorizeAliasOption = OFastEnabled ? options::OPT_Ofast : + options::OPT_fvectorize; + // -fvectorize is default. - if (Args.hasFlag(options::OPT_fvectorize, + if (Args.hasFlag(options::OPT_fvectorize, VectorizeAliasOption, options::OPT_fno_vectorize, true)) { CmdArgs.push_back("-backend-option"); CmdArgs.push_back("-vectorize-loops"); diff --git a/test/Driver/Ofast.c b/test/Driver/Ofast.c index bceeb8f5fe..05448076ee 100644 --- a/test/Driver/Ofast.c +++ b/test/Driver/Ofast.c @@ -1,20 +1,31 @@ // RUN: %clang -Ofast -### %s 2>&1 | FileCheck -check-prefix=CHECK-OFAST %s // RUN: %clang -fno-fast-math -Ofast -### %s 2>&1 | FileCheck -check-prefix=CHECK-OFAST %s // RUN: %clang -fno-strict-aliasing -Ofast -### %s 2>&1 | FileCheck -check-prefix=CHECK-OFAST %s +// RUN: %clang -fno-vectorize -Ofast -### %s 2>&1 | FileCheck -check-prefix=CHECK-OFAST %s // RUN: %clang -Ofast -fno-fast-math -### %s 2>&1 | FileCheck -check-prefix=CHECK-OFAST-NO-FAST-MATH %s // RUN: %clang -Ofast -fno-strict-aliasing -### %s 2>&1 | FileCheck -check-prefix=CHECK-OFAST-NO-STRICT-ALIASING %s +// RUN: %clang -Ofast -fno-vectorize -### %s 2>&1 | FileCheck -check-prefix=CHECK-OFAST-NO-VECTORIZE %s // CHECK-OFAST: -cc1 // CHECK-OFAST-NOT: -relaxed-aliasing // CHECK-OFAST: -ffast-math // CHECK-OFAST: -Ofast +// CHECK-OFAST: -vectorize-loops // CHECK-OFAST-NO-FAST-MATH: -cc1 // CHECK-OFAST-NO-FAST-MATH-NOT: -relaxed-aliasing // CHECK-OFAST-NO-FAST-MATH-NOT: -ffast-math // CHECK-OFAST-NO-FAST-MATH: -Ofast +// CHECK-OFAST-NO-FAST-MATH: -vectorize-loops // CHECK-OFAST-NO-STRICT-ALIASING: -cc1 // CHECK-OFAST-NO-STRICT-ALIASING: -relaxed-aliasing // CHECK-OFAST-NO-STRICT-ALIASING: -ffast-math // CHECK-OFAST-NO-STRICT-ALIASING: -Ofast +// CHECK-OFAST-NO-STRICT-ALIASING: -vectorize-loops + +// CHECK-OFAST-NO-VECTORIZE: -cc1 +// CHECK-OFAST-NO-VECTORIZE-NOT: -relaxed-aliasing +// CHECK-OFAST-NO-VECTORIZE: -ffast-math +// CHECK-OFAST-NO-VECTORIZE: -Ofast +// CHECK-OFAST-NO-VECTORIZE-NOT: -vectorize-loops |