[XRay] Merge xray clang flag tests, and add powerpc64le.

[timshen]

Summary

I'm not sure why they were in different files, but it's kind of harder to maintain. I create this patch partially for initiate a discussion.

[dberris]

LGTM

Actually, now that you mention this, I don't think there was a good reason to do it this way.

Thanks @timshen!

cfe/trunk/test/CodeGen/xray-attributes-supported-arm.cpp

-// RUN: %clang_cc1 %s -fxray-instrument -std=c++11 -x c++ -emit-llvm -o - -triple arm-unknown-linux-gnu | FileCheck %s
-
-// Make sure that the LLVM attribute for XRay-annotated functions do show up.
-[[clang::xray_always_instrument]] void foo() {
-// CHECK: define void @_Z3foov() #0
-};
-
-[[clang::xray_never_instrument]] void bar() {
-// CHECK: define void @_Z3barv() #1
-};
-
-// CHECK: #0 = {{.*}}"function-instrument"="xray-always"
-// CHECK: #1 = {{.*}}"function-instrument"="xray-never"

cfe/trunk/test/CodeGen/xray-attributes-supported-mips.cpp

-// RUN: %clang_cc1 %s -fxray-instrument -std=c++11 -x c++ -emit-llvm -o - -triple mips-unknown-linux-gnu | FileCheck %s
-// RUN: %clang_cc1 %s -fxray-instrument -std=c++11 -x c++ -emit-llvm -o - -triple mipsel-unknown-linux-gnu | FileCheck %s
-// RUN: %clang_cc1 %s -fxray-instrument -std=c++11 -x c++ -emit-llvm -o - -triple mips64-unknown-linux-gnu | FileCheck %s
-// RUN: %clang_cc1 %s -fxray-instrument -std=c++11 -x c++ -emit-llvm -o - -triple mips64el-unknown-linux-gnu | FileCheck %s
-
-// Make sure that the LLVM attribute for XRay-annotated functions do show up.
-[[clang::xray_always_instrument]] void foo() {
-// CHECK: define void @_Z3foov() #0
-};
-
-[[clang::xray_never_instrument]] void bar() {
-// CHECK: define void @_Z3barv() #1
-};
-
-// CHECK: #0 = {{.*}}"function-instrument"="xray-always"
-// CHECK: #1 = {{.*}}"function-instrument"="xray-never"

cfe/trunk/test/CodeGen/xray-attributes-supported.cpp

 // RUN: %clang_cc1 %s -fxray-instrument -std=c++11 -x c++ -emit-llvm -o - -triple x86_64-unknown-linux-gnu | FileCheck %s
+// RUN: %clang_cc1 %s -fxray-instrument -std=c++11 -x c++ -emit-llvm -o - -triple arm-unknown-linux-gnu | FileCheck %s
+// RUN: %clang_cc1 %s -fxray-instrument -std=c++11 -x c++ -emit-llvm -o - -triple mips-unknown-linux-gnu | FileCheck %s
+// RUN: %clang_cc1 %s -fxray-instrument -std=c++11 -x c++ -emit-llvm -o - -triple mipsel-unknown-linux-gnu | FileCheck %s
+// RUN: %clang_cc1 %s -fxray-instrument -std=c++11 -x c++ -emit-llvm -o - -triple mips64-unknown-linux-gnu | FileCheck %s
+// RUN: %clang_cc1 %s -fxray-instrument -std=c++11 -x c++ -emit-llvm -o - -triple mips64el-unknown-linux-gnu | FileCheck %s
+// RUN: %clang_cc1 %s -fxray-instrument -std=c++11 -x c++ -emit-llvm -o - -triple powerpc64le-unknown-linux-gnu | FileCheck %s
 
 // Make sure that the LLVM attribute for XRay-annotated functions do show up.
 [[clang::xray_always_instrument]] void foo() {
 // CHECK: define void @_Z3foov() #0
 };
 
 [[clang::xray_never_instrument]] void bar() {
 // CHECK: define void @_Z3barv() #1
 };
 
 // CHECK: #0 = {{.*}}"function-instrument"="xray-always"
 // CHECK: #1 = {{.*}}"function-instrument"="xray-never"