[AArch64][NFC] better matching of AArch64 target in aarch64-cpus.c tests

[SjoerdMeijer]

Summary

In D50068, @ab noticed that it would be better to match aarch64-{{.*}} for
tests that use "-target aarch64_be -mlittle-endian" instead of just
aarch64{{.*}}.

[olista01]

test/Driver/aarch64-cpus.c

10 ↗

(On Diff #158717)

Why do these need new check prefixes? All of the RUN lines above are selecting little-endian, so I'd expect GENERIC and GENERIC-LE to be the same.

[SjoerdMeijer]

test/Driver/aarch64-cpus.c

10 ↗

(On Diff #158717)

Ok, good point. The output is slightly different. For the little-endian runs above the output is:

"-triple" "aarch64"

and with "-target aarch64_be -mlittle-endian" the output is:

"-triple" "aarch64--"

As we don't want to be too generic and match "aarch64{{.*}}", I will therefore change the GENERIC checks to match "aarch64{{[--]*}}", and indeed remove GENERIC-LE.

[SjoerdMeijer]

Addressed comments.

[olista01]

test/Driver/aarch64-cpus.c

10 ↗

(On Diff #158717)

I think that works, but it's a strange way to write the regex. You have "-" twice inside a character set, which is the same as only having it once, so "[--]*" matches zero or more occurrences of "-". I'd suggest using something like "(--)?" which matches either "--" or nothing.

[SjoerdMeijer]

test/Driver/aarch64-cpus.c

10 ↗

(On Diff #158717)

Ah, of course, thanks! That was a bit silly, will fix.

[SjoerdMeijer]

Addressed comments.

[olista01]

LGTM, thanks!

cfe/trunk/test/Driver/aarch64-cpus.c

 // Check target CPUs are correctly passed.
 
 // RUN: %clang -target aarch64 -### -c %s 2>&1 | FileCheck -check-prefix=GENERIC %s
 // RUN: %clang -target aarch64 -mcpu=generic -### -c %s 2>&1 | FileCheck -check-prefix=GENERIC %s
 // RUN: %clang -target aarch64 -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=GENERIC %s
 // RUN: %clang -target aarch64 -mlittle-endian -mcpu=generic -### -c %s 2>&1 | FileCheck -check-prefix=GENERIC %s
 // RUN: %clang -target aarch64_be -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=GENERIC %s
 // RUN: %clang -target aarch64_be -mlittle-endian -mcpu=generic -### -c %s 2>&1 | FileCheck -check-prefix=GENERIC %s
-// GENERIC: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "generic"
+// GENERIC: "-cc1"{{.*}} "-triple" "aarch64{{(--)?}}"{{.*}} "-target-cpu" "generic"
 
 // RUN: %clang -target arm64 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-GENERIC %s
 // RUN: %clang -target arm64 -mcpu=generic -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-GENERIC %s
 // RUN: %clang -target arm64 -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-GENERIC %s
 // RUN: %clang -target arm64 -mlittle-endian -mcpu=generic -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-GENERIC %s
 
 // ARM64-GENERIC: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "generic"
 
 // We cannot check much for -mcpu=native, but it should be replaced by either generic or a valid
 // Arm cpu string, depending on the host.
 // RUN: %clang -target arm64 -mcpu=native -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-NATIVE %s
 // ARM64-NATIVE-NOT: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "native"
 
 // RUN: %clang -target arm64-apple-darwin -arch arm64 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-DARWIN %s
 // ARM64-DARWIN: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "cyclone"
 
 // RUN: %clang -target aarch64 -mcpu=cortex-a35 -### -c %s 2>&1 | FileCheck -check-prefix=CA35 %s
 // RUN: %clang -target aarch64 -mlittle-endian -mcpu=cortex-a35 -### -c %s 2>&1 | FileCheck -check-prefix=CA35 %s
 // RUN: %clang -target aarch64_be -mlittle-endian -mcpu=cortex-a35 -### -c %s 2>&1 | FileCheck -check-prefix=CA35 %s
 // RUN: %clang -target aarch64 -mtune=cortex-a35 -### -c %s 2>&1 | FileCheck -check-prefix=CA35-TUNE %s
 // RUN: %clang -target aarch64 -mlittle-endian -mtune=cortex-a35 -### -c %s 2>&1 | FileCheck -check-prefix=CA35-TUNE %s
 // RUN: %clang -target aarch64_be -mlittle-endian -mtune=cortex-a35 -### -c %s 2>&1 | FileCheck -check-prefix=CA35-TUNE %s
-// CA35: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "cortex-a35"
-// CA35-TUNE: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "generic"
+// CA35: "-cc1"{{.*}} "-triple" "aarch64{{(--)?}}"{{.*}} "-target-cpu" "cortex-a35"
+// CA35-TUNE: "-cc1"{{.*}} "-triple" "aarch64{{(--)?}}"{{.*}} "-target-cpu" "generic"
 
 // RUN: %clang -target arm64 -mcpu=cortex-a35 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CA35 %s
 // RUN: %clang -target arm64 -mlittle-endian -mcpu=cortex-a35 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CA35 %s
 // RUN: %clang -target arm64 -mtune=cortex-a35 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CA35-TUNE %s
 // RUN: %clang -target arm64 -mlittle-endian -mtune=cortex-a35 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CA35-TUNE %s
 // ARM64-CA35: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "cortex-a35"
 // ARM64-CA35-TUNE: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "generic"
 
 // RUN: %clang -target aarch64 -mcpu=cortex-a53 -### -c %s 2>&1 | FileCheck -check-prefix=CA53 %s
 // RUN: %clang -target aarch64 -mlittle-endian -mcpu=cortex-a53 -### -c %s 2>&1 | FileCheck -check-prefix=CA53 %s
 // RUN: %clang -target aarch64_be -mlittle-endian -mcpu=cortex-a53 -### -c %s 2>&1 | FileCheck -check-prefix=CA53 %s
 // RUN: %clang -target aarch64 -mtune=cortex-a53 -### -c %s 2>&1 | FileCheck -check-prefix=CA53-TUNE %s
 // RUN: %clang -target aarch64_be -mlittle-endian -mtune=cortex-a53 -### -c %s 2>&1 | FileCheck -check-prefix=CA53-TUNE %s
-// CA53: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "cortex-a53"
-// CA53-TUNE: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "generic"
+// CA53: "-cc1"{{.*}} "-triple" "aarch64{{(--)?}}"{{.*}} "-target-cpu" "cortex-a53"
+// CA53-TUNE: "-cc1"{{.*}} "-triple" "aarch64{{(--)?}}"{{.*}} "-target-cpu" "generic"
 
 // RUN: %clang -target arm64 -mcpu=cortex-a53 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CA53 %s
 // RUN: %clang -target arm64 -mlittle-endian -mcpu=cortex-a53 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CA53 %s
 // RUN: %clang -target arm64 -mtune=cortex-a53 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CA53-TUNE %s
 // RUN: %clang -target arm64 -mlittle-endian -mtune=cortex-a53 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CA53-TUNE %s
 // ARM64-CA53: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "cortex-a53"
 // ARM64-CA53-TUNE: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "generic"
 
 // RUN: %clang -target aarch64 -mcpu=cortex-a55 -### -c %s 2>&1 | FileCheck -check-prefix=CA55 %s
 // RUN: %clang -target aarch64 -mlittle-endian -mcpu=cortex-a55 -### -c %s 2>&1 | FileCheck -check-prefix=CA55 %s
 // RUN: %clang -target aarch64_be -mlittle-endian -mcpu=cortex-a55 -### -c %s 2>&1 | FileCheck -check-prefix=CA55 %s
 // RUN: %clang -target aarch64 -mtune=cortex-a55 -### -c %s 2>&1 | FileCheck -check-prefix=CA55-TUNE %s
 // RUN: %clang -target aarch64_be -mlittle-endian -mtune=cortex-a55 -### -c %s 2>&1 | FileCheck -check-prefix=CA55-TUNE %s
-// CA55: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "cortex-a55"
-// CA55-TUNE: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "generic"
+// CA55: "-cc1"{{.*}} "-triple" "aarch64{{(--)?}}"{{.*}} "-target-cpu" "cortex-a55"
+// CA55-TUNE: "-cc1"{{.*}} "-triple" "aarch64{{(--)?}}"{{.*}} "-target-cpu" "generic"
 
 // RUN: %clang -target arm64 -mcpu=cortex-a55 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CA55 %s
 // RUN: %clang -target arm64 -mlittle-endian -mcpu=cortex-a55 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CA55 %s
 // RUN: %clang -target arm64 -mtune=cortex-a55 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CA55-TUNE %s
 // RUN: %clang -target arm64 -mlittle-endian -mtune=cortex-a55 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CA55-TUNE %s
 // ARM64-CA55: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "cortex-a55"
 // ARM64-CA55-TUNE: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "generic"
 
 // RUN: %clang -target aarch64 -mcpu=cortex-a57 -### -c %s 2>&1 | FileCheck -check-prefix=CA57 %s
 // RUN: %clang -target aarch64 -mlittle-endian -mcpu=cortex-a57 -### -c %s 2>&1 | FileCheck -check-prefix=CA57 %s
 // RUN: %clang -target aarch64_be -mlittle-endian -mcpu=cortex-a57 -### -c %s 2>&1 | FileCheck -check-prefix=CA57 %s
 // RUN: %clang -target aarch64 -mtune=cortex-a57 -### -c %s 2>&1 | FileCheck -check-prefix=CA57-TUNE %s
 // RUN: %clang -target aarch64 -mlittle-endian -mtune=cortex-a57 -### -c %s 2>&1 | FileCheck -check-prefix=CA57-TUNE %s
 // RUN: %clang -target aarch64_be -mlittle-endian -mtune=cortex-a57 -### -c %s 2>&1 | FileCheck -check-prefix=CA57-TUNE %s
-// CA57: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "cortex-a57"
-// CA57-TUNE: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "generic"
+// CA57: "-cc1"{{.*}} "-triple" "aarch64{{(--)?}}"{{.*}} "-target-cpu" "cortex-a57"
+// CA57-TUNE: "-cc1"{{.*}} "-triple" "aarch64{{(--)?}}"{{.*}} "-target-cpu" "generic"
 
 // RUN: %clang -target arm64 -mcpu=cortex-a57 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CA57 %s
 // RUN: %clang -target arm64 -mlittle-endian -mcpu=cortex-a57 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CA57 %s
 // RUN: %clang -target arm64 -mtune=cortex-a57 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CA57-TUNE %s
 // RUN: %clang -target arm64 -mlittle-endian -mtune=cortex-a57 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CA57-TUNE %s
 // ARM64-CA57: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "cortex-a57"
 // ARM64-CA57-TUNE: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "generic"
 
 // RUN: %clang -target aarch64 -mcpu=cortex-a72 -### -c %s 2>&1 | FileCheck -check-prefix=CA72 %s
 // RUN: %clang -target aarch64 -mlittle-endian -mcpu=cortex-a72 -### -c %s 2>&1 | FileCheck -check-prefix=CA72 %s
 // RUN: %clang -target aarch64_be -mlittle-endian -mcpu=cortex-a72 -### -c %s 2>&1 | FileCheck -check-prefix=CA72 %s
 // RUN: %clang -target aarch64 -mtune=cortex-a72 -### -c %s 2>&1 | FileCheck -check-prefix=CA72-TUNE %s
 // RUN: %clang -target aarch64 -mlittle-endian -mtune=cortex-a72 -### -c %s 2>&1 | FileCheck -check-prefix=CA72-TUNE %s
 // RUN: %clang -target aarch64_be -mlittle-endian -mtune=cortex-a72 -### -c %s 2>&1 | FileCheck -check-prefix=CA72-TUNE %s
-// CA72: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "cortex-a72"
-// CA72-TUNE: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "generic"
+// CA72: "-cc1"{{.*}} "-triple" "aarch64{{(--)?}}"{{.*}} "-target-cpu" "cortex-a72"
+// CA72-TUNE: "-cc1"{{.*}} "-triple" "aarch64{{(--)?}}"{{.*}} "-target-cpu" "generic"
 
 // RUN: %clang -target arm64 -mcpu=cortex-a72 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CA72 %s
 // RUN: %clang -target arm64 -mlittle-endian -mcpu=cortex-a72 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CA72 %s
 // RUN: %clang -target arm64 -mtune=cortex-a72 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CA72-TUNE %s
 // RUN: %clang -target arm64 -mlittle-endian -mtune=cortex-a72 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CA72-TUNE %s
 // ARM64-CA72: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "cortex-a72"
 // ARM64-CA72-TUNE: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "generic"
 
 // RUN: %clang -target aarch64 -mcpu=cortex-a73 -### -c %s 2>&1 | FileCheck -check-prefix=CORTEX-A73 %s
 // RUN: %clang -target aarch64 -mlittle-endian -mcpu=cortex-a73 -### -c %s 2>&1 | FileCheck -check-prefix=CORTEX-A73 %s
 // RUN: %clang -target aarch64_be -mlittle-endian -mcpu=cortex-a73 -### -c %s 2>&1 | FileCheck -check-prefix=CORTEX-A73 %s
 // RUN: %clang -target aarch64 -mtune=cortex-a73 -### -c %s 2>&1 | FileCheck -check-prefix=CORTEX-A73-TUNE %s
 // RUN: %clang -target aarch64 -mlittle-endian -mtune=cortex-a73 -### -c %s 2>&1 | FileCheck -check-prefix=CORTEX-A73-TUNE %s
 // RUN: %clang -target aarch64_be -mlittle-endian -mtune=cortex-a73 -### -c %s 2>&1 | FileCheck -check-prefix=CORTEX-A73-TUNE %s
-// CORTEX-A73: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "cortex-a73"
-// CORTEX-A73-TUNE: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "generic"
+// CORTEX-A73: "-cc1"{{.*}} "-triple" "aarch64{{(--)?}}"{{.*}} "-target-cpu" "cortex-a73"
+// CORTEX-A73-TUNE: "-cc1"{{.*}} "-triple" "aarch64{{(--)?}}"{{.*}} "-target-cpu" "generic"
 
 // RUN: %clang -target arm64 -mcpu=cortex-a73 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CORTEX-A73 %s
 // RUN: %clang -target arm64 -mlittle-endian -mcpu=cortex-a73 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CORTEX-A73 %s
 // RUN: %clang -target arm64 -mtune=cortex-a73 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CORTEX-A73-TUNE %s
 // RUN: %clang -target arm64 -mlittle-endian -mtune=cortex-a73 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CORTEX-A73-TUNE %s
 // ARM64-CORTEX-A73: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "cortex-a73"
 // ARM64-CORTEX-A73-TUNE: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "generic"
 
 // RUN: %clang -target aarch64 -mcpu=cortex-a75 -### -c %s 2>&1 | FileCheck -check-prefix=CORTEX-A75 %s
 // RUN: %clang -target aarch64 -mlittle-endian -mcpu=cortex-a75 -### -c %s 2>&1 | FileCheck -check-prefix=CORTEX-A75 %s
 // RUN: %clang -target aarch64_be -mlittle-endian -mcpu=cortex-a75 -### -c %s 2>&1 | FileCheck -check-prefix=CORTEX-A75 %s
 // RUN: %clang -target aarch64 -mtune=cortex-a75 -### -c %s 2>&1 | FileCheck -check-prefix=CORTEX-A75-TUNE %s
 // RUN: %clang -target aarch64 -mlittle-endian -mtune=cortex-a75 -### -c %s 2>&1 | FileCheck -check-prefix=CORTEX-A75-TUNE %s
 // RUN: %clang -target aarch64_be -mlittle-endian -mtune=cortex-a75 -### -c %s 2>&1 | FileCheck -check-prefix=CORTEX-A75-TUNE %s
-// CORTEX-A75: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "cortex-a75"
-// CORTEX-A75-TUNE: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "generic"
+// CORTEX-A75: "-cc1"{{.*}} "-triple" "aarch64{{(--)?}}"{{.*}} "-target-cpu" "cortex-a75"
+// CORTEX-A75-TUNE: "-cc1"{{.*}} "-triple" "aarch64{{(--)?}}"{{.*}} "-target-cpu" "generic"
 
 // RUN: %clang -target arm64 -mcpu=cortex-a75 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CORTEX-A75 %s
 // RUN: %clang -target arm64 -mlittle-endian -mcpu=cortex-a75 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CORTEX-A75 %s
 // RUN: %clang -target arm64 -mtune=cortex-a75 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CORTEX-A75-TUNE %s
 // RUN: %clang -target arm64 -mlittle-endian -mtune=cortex-a75 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-CORTEX-A75-TUNE %s
 // ARM64-CORTEX-A75: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "cortex-a75"
 // ARM64-CORTEX-A75-TUNE: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "generic"
 
 // RUN: %clang -target aarch64 -mcpu=exynos-m1 -### -c %s 2>&1 | FileCheck -check-prefix=M1 %s
 // RUN: %clang -target aarch64 -mlittle-endian -mcpu=exynos-m1 -### -c %s 2>&1 | FileCheck -check-prefix=M1 %s
 // RUN: %clang -target aarch64_be -mlittle-endian -mcpu=exynos-m1 -### -c %s 2>&1 | FileCheck -check-prefix=M1 %s
 // RUN: %clang -target aarch64 -mtune=exynos-m1 -### -c %s 2>&1 | FileCheck -check-prefix=M1-TUNE %s
 // RUN: %clang -target aarch64 -mlittle-endian -mtune=exynos-m1 -### -c %s 2>&1 | FileCheck -check-prefix=M1-TUNE %s
 // RUN: %clang -target aarch64_be -mlittle-endian -mtune=exynos-m1 -### -c %s 2>&1 | FileCheck -check-prefix=M1-TUNE %s
-// M1: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "exynos-m1"
-// M1-TUNE: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "generic"
+// M1: "-cc1"{{.*}} "-triple" "aarch64{{(--)?}}"{{.*}} "-target-cpu" "exynos-m1"
+// M1-TUNE: "-cc1"{{.*}} "-triple" "aarch64{{(--)?}}"{{.*}} "-target-cpu" "generic"
 
 // RUN: %clang -target aarch64 -mcpu=exynos-m2 -### -c %s 2>&1 | FileCheck -check-prefix=M2 %s
 // RUN: %clang -target aarch64 -mlittle-endian -mcpu=exynos-m2 -### -c %s 2>&1 | FileCheck -check-prefix=M2 %s
 // RUN: %clang -target aarch64_be -mlittle-endian -mcpu=exynos-m2 -### -c %s 2>&1 | FileCheck -check-prefix=M2 %s
 // RUN: %clang -target aarch64 -mtune=exynos-m2 -### -c %s 2>&1 | FileCheck -check-prefix=M2-TUNE %s
 // RUN: %clang -target aarch64 -mlittle-endian -mtune=exynos-m2 -### -c %s 2>&1 | FileCheck -check-prefix=M2-TUNE %s
 // RUN: %clang -target aarch64_be -mlittle-endian -mtune=exynos-m2 -### -c %s 2>&1 | FileCheck -check-prefix=M2-TUNE %s
 // M2: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "exynos-m2"

 // ARM64-KRYO-TUNE: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "generic"
 
 // RUN: %clang -target aarch64 -mcpu=thunderx2t99 -### -c %s 2>&1 | FileCheck -check-prefix=THUNDERX2T99 %s
 // RUN: %clang -target aarch64 -mlittle-endian -mcpu=thunderx2t99 -### -c %s 2>&1 | FileCheck -check-prefix=THUNDERX2T99 %s
 // RUN: %clang -target aarch64_be -mlittle-endian -mcpu=thunderx2t99 -### -c %s 2>&1 | FileCheck -check-prefix=THUNDERX2T99 %s
 // RUN: %clang -target aarch64 -mtune=thunderx2t99 -### -c %s 2>&1 | FileCheck -check-prefix=THUNDERX2T99-TUNE %s
 // RUN: %clang -target aarch64 -mlittle-endian -mtune=thunderx2t99 -### -c %s 2>&1 | FileCheck -check-prefix=THUNDERX2T99-TUNE %s
 // RUN: %clang -target aarch64_be -mlittle-endian -mtune=thunderx2t99 -### -c %s 2>&1 | FileCheck -check-prefix=THUNDERX2T99-TUNE %s
-// THUNDERX2T99: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "thunderx2t99" "-target-feature" "+v8.1a"
-// THUNDERX2T99-TUNE: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "generic"
+// THUNDERX2T99: "-cc1"{{.*}} "-triple" "aarch64{{(--)?}}"{{.*}} "-target-cpu" "thunderx2t99" "-target-feature" "+v8.1a"
+// THUNDERX2T99-TUNE: "-cc1"{{.*}} "-triple" "aarch64{{(--)?}}"{{.*}} "-target-cpu" "generic"
 // THUNDERX2T99-TUNE-NOT: +v8.1a
 
 // RUN: %clang -target arm64 -mcpu=thunderx2t99 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-THUNDERX2T99 %s
 // RUN: %clang -target arm64 -mlittle-endian -mcpu=thunderx2t99 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-THUNDERX2T99 %s
 // RUN: %clang -target arm64 -mtune=thunderx2t99 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-THUNDERX2T99-TUNE %s
 // RUN: %clang -target arm64 -mlittle-endian -mtune=thunderx2t99 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-THUNDERX2T99-TUNE %s
 // ARM64-THUNDERX2T99: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "thunderx2t99" "-target-feature" "+v8.1a"
 // ARM64-THUNDERX2T99-TUNE: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "generic"

 // MCPU-MTUNE-THUNDERX2T99: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "thunderx2t99"
 
 // RUN: %clang -target aarch64 -march=armv8.1a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV81A %s
 // RUN: %clang -target aarch64 -march=armv8.1-a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV81A %s
 // RUN: %clang -target aarch64 -mlittle-endian -march=armv8.1a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV81A %s
 // RUN: %clang -target aarch64 -mlittle-endian -march=armv8.1-a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV81A %s
 // RUN: %clang -target aarch64_be -mlittle-endian -march=armv8.1a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV81A %s
 // RUN: %clang -target aarch64_be -mlittle-endian -march=armv8.1-a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV81A %s
-// GENERICV81A: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "generic" "-target-feature" "+neon" "-target-feature" "+v8.1a"
+// GENERICV81A: "-cc1"{{.*}} "-triple" "aarch64{{(--)?}}"{{.*}} "-target-cpu" "generic" "-target-feature" "+neon" "-target-feature" "+v8.1a"
 
 // RUN: %clang -target arm64 -march=armv8.1a -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-GENERICV81A %s
 // RUN: %clang -target arm64 -march=armv8.1-a -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-GENERICV81A %s
 // 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" "+neon" "-target-feature" "+v8.1a"
 
 // RUN: %clang -target aarch64_be -march=armv8.1a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV81A-BE %s

 // GENERICV82A-FP16-SPE: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "generic" "-target-feature" "+neon" "-target-feature" "+v8.2a" "-target-feature" "+fullfp16" "-target-feature" "+spe"
 
 // RUN: %clang -target aarch64 -march=armv8.3a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV83A %s
 // RUN: %clang -target aarch64 -march=armv8.3-a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV83A %s
 // RUN: %clang -target aarch64 -mlittle-endian -march=armv8.3a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV83A %s
 // RUN: %clang -target aarch64 -mlittle-endian -march=armv8.3-a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV83A %s
 // RUN: %clang -target aarch64_be -mlittle-endian -march=armv8.3a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV83A %s
 // RUN: %clang -target aarch64_be -mlittle-endian -march=armv8.3-a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV83A %s
-// GENERICV83A: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "generic" "-target-feature" "+neon" "-target-feature" "+v8.3a"
+// GENERICV83A: "-cc1"{{.*}} "-triple" "aarch64{{(--)?}}"{{.*}} "-target-cpu" "generic" "-target-feature" "+neon" "-target-feature" "+v8.3a"
 
 // RUN: %clang -target aarch64_be -march=armv8.3a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV83A-BE %s
 // RUN: %clang -target aarch64_be -march=armv8.3-a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV83A-BE %s
 // RUN: %clang -target aarch64 -mbig-endian -march=armv8.3a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV83A-BE %s
 // RUN: %clang -target aarch64 -mbig-endian -march=armv8.3-a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV83A-BE %s
 // RUN: %clang -target aarch64_be -mbig-endian -march=armv8.3a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV83A-BE %s
 // RUN: %clang -target aarch64_be -mbig-endian -march=armv8.3-a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV83A-BE %s
 // GENERICV83A-BE: "-cc1"{{.*}} "-triple" "aarch64_be{{.*}}" "-target-cpu" "generic" "-target-feature" "+neon" "-target-feature" "+v8.3a"
 
 // RUN: %clang -target aarch64 -march=armv8.3-a+fp16 -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV83A-FP16 %s
 // GENERICV83A-FP16: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "generic" "-target-feature" "+neon" "-target-feature" "+v8.3a" "-target-feature" "+fullfp16"
 
 // RUN: %clang -target aarch64 -march=armv8.4a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV84A %s
 // RUN: %clang -target aarch64 -march=armv8.4-a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV84A %s
 // RUN: %clang -target aarch64 -mlittle-endian -march=armv8.4a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV84A %s
 // RUN: %clang -target aarch64 -mlittle-endian -march=armv8.4-a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV84A %s
 // RUN: %clang -target aarch64_be -mlittle-endian -march=armv8.4a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV84A %s
 // RUN: %clang -target aarch64_be -mlittle-endian -march=armv8.4-a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV84A %s
-// GENERICV84A: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "generic" "-target-feature" "+neon" "-target-feature" "+v8.4a"
+// GENERICV84A: "-cc1"{{.*}} "-triple" "aarch64{{(--)?}}"{{.*}} "-target-cpu" "generic" "-target-feature" "+neon" "-target-feature" "+v8.4a"
 
 // RUN: %clang -target aarch64_be -march=armv8.4a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV84A-BE %s
 // RUN: %clang -target aarch64_be -march=armv8.4-a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV84A-BE %s
 // RUN: %clang -target aarch64 -mbig-endian -march=armv8.4a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV84A-BE %s
 // RUN: %clang -target aarch64 -mbig-endian -march=armv8.4-a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV84A-BE %s
 // RUN: %clang -target aarch64_be -mbig-endian -march=armv8.4a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV84A-BE %s
 // RUN: %clang -target aarch64_be -mbig-endian -march=armv8.4-a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV84A-BE %s
 // GENERICV84A-BE: "-cc1"{{.*}} "-triple" "aarch64_be{{.*}}" "-target-cpu" "generic" "-target-feature" "+neon" "-target-feature" "+v8.4a"