[llvm] [ARM][NFC] Remove redundant sub-expressions (PR #122911)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-arm

Author: Longsheng Mou (CoTinker)

<details>
<summary>Changes</summary>

This PR removes redundant sub-expressions `Mnemonic != "vqmovnt"`, which is mentioned in https://pvs-studio.com/en/blog/posts/cpp/1188/.

---
Full diff: https://github.com/llvm/llvm-project/pull/122911.diff


1 Files Affected:

- (modified) llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp (+3-3) 


``````````diff
diff --git a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index 024a64aceedbdc..dad91c6a969e87 100644
--- a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -6663,9 +6663,9 @@ StringRef ARMAsmParser::splitMnemonic(StringRef Mnemonic, StringRef ExtraToken,
       Mnemonic != "vshllt" && Mnemonic != "vrshrnt" && Mnemonic != "vshrnt" &&
       Mnemonic != "vqrshrunt" && Mnemonic != "vqshrunt" &&
       Mnemonic != "vqrshrnt" && Mnemonic != "vqshrnt" && Mnemonic != "vmullt" &&
-      Mnemonic != "vqmovnt" && Mnemonic != "vqmovunt" &&
-      Mnemonic != "vqmovnt" && Mnemonic != "vmovnt" && Mnemonic != "vqdmullt" &&
-      Mnemonic != "vpnot" && Mnemonic != "vcvtt" && Mnemonic != "vcvt") {
+      Mnemonic != "vqmovnt" && Mnemonic != "vqmovunt" && Mnemonic != "vmovnt" &&
+      Mnemonic != "vqdmullt" && Mnemonic != "vpnot" && Mnemonic != "vcvtt" &&
+      Mnemonic != "vcvt") {
     unsigned VCC =
         ARMVectorCondCodeFromString(Mnemonic.substr(Mnemonic.size() - 1));
     if (VCC != ~0U) {

``````````

</details>


https://github.com/llvm/llvm-project/pull/122911