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// Test that --print-supported-extensions lists supported -march extensions
// on supported architectures, and errors on unsupported architectures.
// RUN: %if aarch64-registered-target %{ %clang --target=aarch64-linux-gnu \
// RUN: --print-supported-extensions 2>&1 | FileCheck %s --check-prefix AARCH64 %}
// AARCH64: All available -march extensions for AArch64
// AARCH64: Name Description
// AARCH64: aes Enable AES support (FEAT_AES, FEAT_PMULL)
// RUN: %if riscv-registered-target %{ %clang --target=riscv64-linux-gnu \
// RUN: --print-supported-extensions 2>&1 | FileCheck %s --check-prefix RISCV %}
// RISCV: All available -march extensions for RISC-V
// RISCV: Name Version Description
// RISCV: i 2.1
// RUN: %if arm-registered-target %{ %clang --target=arm-linux-gnu \
// RUN: --print-supported-extensions 2>&1 | FileCheck %s --check-prefix ARM %}
// ARM: All available -march extensions for ARM
// ARM: Name Description
// ARM: crc Enable support for CRC instructions
// RUN: %if x86-registered-target %{ not %clang --target=x86_64-linux-gnu \
// RUN: --print-supported-extensions 2>&1 | FileCheck %s --check-prefix X86 %}
// X86: error: option '--print-supported-extensions' cannot be specified on this target
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