[llvm] [ARM][WebAssembly] Remove unused PatternMatch namespace. NFC. (PR #147984)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-backend-webassembly

@llvm/pr-subscribers-backend-arm

Author: Simon Pilgrim (RKSimon)

<details>
<summary>Changes</summary>

Avoid file-level "using namespace llvm::PatternMatch" to make it easier to potentially use SDPatternMatch in the future.

---
Full diff: https://github.com/llvm/llvm-project/pull/147984.diff


2 Files Affected:

- (modified) llvm/lib/Target/ARM/ARMISelLowering.cpp (-1) 
- (modified) llvm/lib/Target/WebAssembly/WebAssemblyFastISel.cpp (-2) 


``````````diff
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp
index cbd43cde78548..87f00bb3f9e75 100644
--- a/llvm/lib/Target/ARM/ARMISelLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp
@@ -115,7 +115,6 @@
 #include <vector>
 
 using namespace llvm;
-using namespace llvm::PatternMatch;
 
 #define DEBUG_TYPE "arm-isel"
 
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyFastISel.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyFastISel.cpp
index b2ea784057780..ec95e86e4fe3d 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyFastISel.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyFastISel.cpp
@@ -35,10 +35,8 @@
 #include "llvm/IR/GlobalVariable.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/Operator.h"
-#include "llvm/IR/PatternMatch.h"
 
 using namespace llvm;
-using namespace PatternMatch;
 
 #define DEBUG_TYPE "wasm-fastisel"
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/147984