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////
//// Verify that valid options for the -mprefer-vector-width flag are passed through and invalid options cause an error.
////
//// If there are no options, convert to 'all'.
// RUN: %clang -### -S %s -mprefer-vector-width=none 2>&1 | FileCheck --check-prefix=WIDTHNONE %s
// WIDTHNONE: "-mprefer-vector-width=none"
//// Check options that cover all types.
// RUN: %clang -### -S %s -mprefer-vector-width=128 2>&1 | FileCheck --check-prefix=WIDTH128 %s
// WIDTH128: "-mprefer-vector-width=128"
//// Check invalid parameters.
// RUN: %clang -### -S %s -mprefer-vector-width=one 2>&1 | FileCheck --check-prefix=WIDTHONE %s
// WIDTHONE: invalid value 'one' in 'mprefer-vector-width='
// RUN: %clang -### -S %s -mprefer-vector-width=128.5 2>&1 | FileCheck --check-prefix=WIDTH128p5 %s
// WIDTH128p5: invalid value '128.5' in 'mprefer-vector-width='
// RUN: %clang -### -S %s -mprefer-vector-width=-128 2>&1 | FileCheck --check-prefix=WIDTHNEG128 %s
// WIDTHNEG128: invalid value '-128' in 'mprefer-vector-width='
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