[mips] Use --check-prefixes where appropriate. NFC.

llvm-svn: 273669
diff --git a/llvm/test/CodeGen/Mips/cconv/memory-layout.ll b/llvm/test/CodeGen/Mips/cconv/memory-layout.ll
index 25aba97..e992169 100644
--- a/llvm/test/CodeGen/Mips/cconv/memory-layout.ll
+++ b/llvm/test/CodeGen/Mips/cconv/memory-layout.ll
@@ -1,14 +1,14 @@
-; RUN: llc -march=mips < %s | FileCheck --check-prefix=ALL --check-prefix=O32 %s
-; RUN: llc -march=mipsel < %s | FileCheck --check-prefix=ALL --check-prefix=O32 %s
+; RUN: llc -march=mips < %s | FileCheck --check-prefixes=ALL,O32 %s
+; RUN: llc -march=mipsel < %s | FileCheck --check-prefixes=ALL,O32 %s
 
-; RUN-TODO: llc -march=mips64 -target-abi o32 < %s | FileCheck --check-prefix=ALL --check-prefix=O32 %s
-; RUN-TODO: llc -march=mips64el -target-abi o32 < %s | FileCheck --check-prefix=ALL --check-prefix=O32 %s
+; RUN-TODO: llc -march=mips64 -target-abi o32 < %s | FileCheck --check-prefixes=ALL,O32 %s
+; RUN-TODO: llc -march=mips64el -target-abi o32 < %s | FileCheck --check-prefixes=ALL,O32 %s
 
-; RUN: llc -march=mips64 -target-abi n32 < %s | FileCheck --check-prefix=ALL --check-prefix=N32 %s
-; RUN: llc -march=mips64el -target-abi n32 < %s | FileCheck --check-prefix=ALL --check-prefix=N32 %s
+; RUN: llc -march=mips64 -target-abi n32 < %s | FileCheck --check-prefixes=ALL,N32 %s
+; RUN: llc -march=mips64el -target-abi n32 < %s | FileCheck --check-prefixes=ALL,N32 %s
 
-; RUN: llc -march=mips64 -target-abi n64 < %s | FileCheck --check-prefix=ALL --check-prefix=N64 %s
-; RUN: llc -march=mips64el -target-abi n64 < %s | FileCheck --check-prefix=ALL --check-prefix=N64 %s
+; RUN: llc -march=mips64 -target-abi n64 < %s | FileCheck --check-prefixes=ALL,N64 %s
+; RUN: llc -march=mips64el -target-abi n64 < %s | FileCheck --check-prefixes=ALL,N64 %s
 
 ; Test the memory layout for all ABI's and byte orders as specified by section
 ; 4 of MD00305 (MIPS ABIs Described).