[CodeGen] Fix check prefix mismatch on neon-immediate-ubsan.c tests

Noticed while fixing unused prefix warnings,

diff --git a/clang/test/CodeGen/neon-immediate-ubsan.c b/clang/test/CodeGen/neon-immediate-ubsan.c
index aacf76a..69a54c8 100644 (file)
--- a/clang/test/CodeGen/neon-immediate-ubsan.c
+++ b/clang/test/CodeGen/neon-immediate-ubsan.c
@@ -1,12 +1,12 @@
 // RUN: %clang_cc1 -triple armv7s-linux-gnu -target-abi apcs-gnu -emit-llvm -o - %s \
 // RUN:     -target-feature +neon -target-cpu cortex-a8 \
 // RUN:     -fsanitize=signed-integer-overflow \
-// RUN:   | FileCheck %s --check-prefix=CHECK --check-prefix=ARMV7
+// RUN:   | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-ARMV7
 
 // RUN: %clang_cc1 -triple aarch64-unknown-unknown -emit-llvm -o - %s \
 // RUN:     -target-feature +neon -target-cpu cortex-a53 \
 // RUN:     -fsanitize=signed-integer-overflow \
-// RUN:   | FileCheck %s --check-prefix=CHECK --check-prefix=AARCH64
+// RUN:   | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-AARCH64
 
 // Verify we emit constants for "immediate" builtin arguments.
 // Emitting a scalar expression can make the immediate be generated as