[clang] [CIR] Remove the empty verifier in cir.ifOp (PR #140457)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clangir

Author: None (Andres-Salamanca)

<details>
<summary>Changes</summary>

The empty verifier is redundant because cir::IfOp has no constraints to enforce its verify() always succeeds.

---
Full diff: https://github.com/llvm/llvm-project/pull/140457.diff


2 Files Affected:

- (modified) clang/include/clang/CIR/Dialect/IR/CIROps.td (-1) 
- (modified) clang/lib/CIR/Dialect/IR/CIRDialect.cpp (-2) 


``````````diff
diff --git a/clang/include/clang/CIR/Dialect/IR/CIROps.td b/clang/include/clang/CIR/Dialect/IR/CIROps.td
index 71b9a816669bc..d3411973129a4 100644
--- a/clang/include/clang/CIR/Dialect/IR/CIROps.td
+++ b/clang/include/clang/CIR/Dialect/IR/CIROps.td
@@ -553,7 +553,6 @@ def IfOp : CIR_Op<"if",
   let arguments = (ins CIR_BoolType:$condition);
   let regions = (region AnyRegion:$thenRegion, AnyRegion:$elseRegion);
   let hasCustomAssemblyFormat=1;
-  let hasVerifier=1;
   let skipDefaultBuilders=1;
   let builders = [
     OpBuilder<(ins "mlir::Value":$cond, "bool":$withElseRegion,
diff --git a/clang/lib/CIR/Dialect/IR/CIRDialect.cpp b/clang/lib/CIR/Dialect/IR/CIRDialect.cpp
index 9c80c48fa4039..bd1aa1f4fe5bb 100644
--- a/clang/lib/CIR/Dialect/IR/CIRDialect.cpp
+++ b/clang/lib/CIR/Dialect/IR/CIRDialect.cpp
@@ -751,8 +751,6 @@ void cir::IfOp::build(OpBuilder &builder, OperationState &result, Value cond,
   elseBuilder(builder, result.location);
 }
 
-LogicalResult cir::IfOp::verify() { return success(); }
-
 //===----------------------------------------------------------------------===//
 // ScopeOp
 //===----------------------------------------------------------------------===//

``````````

</details>


https://github.com/llvm/llvm-project/pull/140457