[llvm] [AArch64] Expand MI->getOperand(1).getImm() with 0 literal (PR #154598)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-aarch64

Author: Tomer Shafir (tomershafir)

<details>
<summary>Changes</summary>

`MI->getOperand(1).getImm()` has already been verified to be 0 entering the block.

---
Full diff: https://github.com/llvm/llvm-project/pull/154598.diff


1 Files Affected:

- (modified) llvm/lib/Target/AArch64/AArch64AsmPrinter.cpp (+1-1) 


``````````diff
diff --git a/llvm/lib/Target/AArch64/AArch64AsmPrinter.cpp b/llvm/lib/Target/AArch64/AArch64AsmPrinter.cpp
index c52487ab8a79a..1b8f6b9a8e61c 100644
--- a/llvm/lib/Target/AArch64/AArch64AsmPrinter.cpp
+++ b/llvm/lib/Target/AArch64/AArch64AsmPrinter.cpp
@@ -2862,7 +2862,7 @@ void AArch64AsmPrinter::emitInstruction(const MachineInstr *MI) {
       MCInst TmpInst;
       TmpInst.setOpcode(AArch64::MOVIv16b_ns);
       TmpInst.addOperand(MCOperand::createReg(MI->getOperand(0).getReg()));
-      TmpInst.addOperand(MCOperand::createImm(MI->getOperand(1).getImm()));
+      TmpInst.addOperand(MCOperand::createImm(0));
       EmitToStreamer(*OutStreamer, TmpInst);
       return;
     }

``````````

</details>


https://github.com/llvm/llvm-project/pull/154598