================
@@ -19,3 +19,19 @@
// RUN: %clang --target=arm64 -mlittle-endian -march=armv8.1a -### -c %s 2>&1
| FileCheck -check-prefix=ARM64-GENERICV81A %s
// RUN: %clang --target=arm64 -mlittle-endian -march=armv8.1-a -### -c %s 2>&1
| FileCheck -check-prefix=ARM64-GENERICV81A %s
// ARM64-GENERICV81A: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu"
"generic"{{.*}} "-target-feature" "+v8.1a"{{.*}} "-target-feature" "+neon"
+
+// ===== Architecture extensions =====
+
+// RUN: %clang -target aarch64 -march=armv8.1-a --print-enabled-extensions
2>&1 | FileCheck -check-prefix=ARCH-EXTENSION --implicit-check-not FEAT_ %s
+// ARCH-EXTENSION: FEAT_ETE
----------------
DavidSpickett wrote:
I'm surprised that this doesn't show the name the user would use with `-march`,
is that expected?
Since `--print-supported-extensions` shows it:
```
All available -march extensions for AArch64
Name Description
aes Enable AES support (FEAT_AES, FEAT_PMULL)
```
And if I were comparing two command lines I might want to know what `+foo` I
need to add to one to make it equivalent to the other.
Or I am misreading the output and the name is there already :)
https://github.com/llvm/llvm-project/pull/95805
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