Fix FileCheck --check-prefix lines.

Various tests had sprung up over the years which had --check-prefix=ABC on the
RUN line, but "CHECK-ABC:" later on. This happened to work before, but was
strictly incorrect. FileCheck is getting stricter soon though.

Patch by Ron Ofir.

llvm-svn: 188174
diff --git a/clang/test/Driver/linux-as.c b/clang/test/Driver/linux-as.c
index 11bf0ca..d17f90a 100644
--- a/clang/test/Driver/linux-as.c
+++ b/clang/test/Driver/linux-as.c
@@ -2,64 +2,64 @@
 //
 // RUN: %clang -target arm-linux -### \
 // RUN:   -no-integrated-as -c %s 2>&1 \
-// RUN:   | FileCheck -check-prefix=ARM %s
+// RUN:   | FileCheck -check-prefix=CHECK-ARM %s
 // CHECK-ARM: as{{(.exe)?}}" "-mfloat-abi=soft"
 //
 // RUN: %clang -target arm-linux -mcpu=cortex-a8 -### \
 // RUN:   -no-integrated-as -c %s 2>&1 \
-// RUN:   | FileCheck -check-prefix=ARM-MCPU %s
+// RUN:   | FileCheck -check-prefix=CHECK-ARM-MCPU %s
 // CHECK-ARM-MCPU: as{{(.exe)?}}" "-mfloat-abi=soft" "-mcpu=cortex-a8"
 //
 // RUN: %clang -target arm-linux -mfpu=neon -### \
 // RUN:   -no-integrated-as -c %s 2>&1 \
-// RUN:   | FileCheck -check-prefix=ARM-MFPU %s
+// RUN:   | FileCheck -check-prefix=CHECK-ARM-MFPU %s
 // CHECK-ARM-MFPU: as{{(.exe)?}}" "-mfloat-abi=soft" "-mfpu=neon"
 //
 // RUN: %clang -target arm-linux -march=armv7-a -### \
 // RUN:   -no-integrated-as -c %s 2>&1 \
-// RUN:   | FileCheck -check-prefix=ARM-MARCH %s
+// RUN:   | FileCheck -check-prefix=CHECK-ARM-MARCH %s
 // CHECK-ARM-MARCH: as{{(.exe)?}}" "-mfloat-abi=soft" "-march=armv7-a"
 //
 // RUN: %clang -target arm-linux -mcpu=cortex-a8 -mfpu=neon -march=armv7-a -### \
 // RUN:   -no-integrated-as -c %s 2>&1 \
-// RUN:   | FileCheck -check-prefix=ARM-ALL %s
+// RUN:   | FileCheck -check-prefix=CHECK-ARM-ALL %s
 // CHECK-ARM-ALL: as{{(.exe)?}}" "-mfloat-abi=soft" "-march=armv7-a" "-mcpu=cortex-a8" "-mfpu=neon"
 //
 // RUN: %clang -target armv7-linux -mcpu=cortex-a8 -### \
 // RUN:   -no-integrated-as -c %s 2>&1 \
-// RUN:   | FileCheck -check-prefix=ARM-TARGET %s
+// RUN:   | FileCheck -check-prefix=CHECK-ARM-TARGET %s
 // CHECK-ARM-TARGET: as{{(.exe)?}}" "-mfpu=neon" "-mfloat-abi=soft" "-mcpu=cortex-a8"
 //
 // RUN: %clang -target arm-linux -mfloat-abi=hard -### \
 // RUN:   -no-integrated-as -c %s 2>&1 \
-// RUN:   | FileCheck -check-prefix=ARM-MFLOAT-ABI %s
+// RUN:   | FileCheck -check-prefix=CHECK-ARM-MFLOAT-ABI %s
 // CHECK-ARM-MFLOAT-ABI: as{{(.exe)?}}" "-mfloat-abi=hard"
 //
 // RUN: %clang -target arm-linux-androideabi -### \
 // RUN:   -no-integrated-as -c %s 2>&1 \
-// RUN:   | FileCheck -check-prefix=ARM-ANDROID %s
+// RUN:   | FileCheck -check-prefix=CHECK-ARM-ANDROID %s
 // CHECK-ARM-ANDROID: as{{(.exe)?}}" "-mfloat-abi=soft"
 //
 // RUN: %clang -target arm-linux-androideabi -march=armv7-a -### \
 // RUN:   -no-integrated-as -c %s 2>&1 \
-// RUN:   | FileCheck -check-prefix=ARM-ANDROID-SOFTFP %s
+// RUN:   | FileCheck -check-prefix=CHECK-ARM-ANDROID-SOFTFP %s
 // CHECK-ARM-ANDROID-SOFTFP: as{{(.exe)?}}" "-mfloat-abi=softfp" "-march=armv7-a"
 //
 // RUN: %clang -target arm-linux-eabi -mhard-float -### \
 // RUN:   -no-integrated-as -c %s 2>&1 \
-// RUN:   | FileCheck -check-prefix=ARM-HARDFP %s
+// RUN:   | FileCheck -check-prefix=CHECK-ARM-HARDFP %s
 // CHECK-ARM-HARDFP: as{{(.exe)?}}" "-mfloat-abi=hard"
 //
 // RUN: %clang -target ppc-linux -mcpu=invalid-cpu -### \
 // RUN:   -no-integrated-as -c %s 2>&1 \
-// RUN:   | FileCheck -check-prefix=PPC-NO-MCPU %s
+// RUN:   | FileCheck -check-prefix=CHECK-PPC-NO-MCPU %s
 // CHECK-PPC-NO-MCPU-NOT: as{{.*}} "-mcpu=invalid-cpu"
 //
 // RUN: %clang -target s390x-linux -### -no-integrated-as -c %s 2>&1 \
-// RUN:   | FileCheck -check-prefix=Z-DEFAULT-ARCH %s
+// RUN:   | FileCheck -check-prefix=CHECK-Z-DEFAULT-ARCH %s
 // CHECK-Z-DEFAULT-ARCH: as{{.*}} "-march=z10"
 //
 // RUN: %clang -target s390x-linux -march=z196 -### \
 // RUN:   -no-integrated-as -c %s 2>&1 \
-// RUN:   | FileCheck -check-prefix=Z-ARCH-Z196 %s
+// RUN:   | FileCheck -check-prefix=CHECK-Z-ARCH-Z196 %s
 // CHECK-Z-ARCH-Z196: as{{.*}} "-march=z196"