[clang] 9454400 - [NFC][clang] Replace unchecked dyn_cast with cast (#98948)

[via cfe-commits]

Author: Mike Rice
Date: 2024-07-16T08:05:43-07:00
New Revision: 945440033f50aeaf85fca709d8c2644456b2a034

URL: https://github.com/llvm/llvm-project/commit/945440033f50aeaf85fca709d8c2644456b2a034
DIFF: https://github.com/llvm/llvm-project/commit/945440033f50aeaf85fca709d8c2644456b2a034.diff

LOG: [NFC][clang] Replace unchecked dyn_cast with cast (#98948)

BI__builtin_hlsl_elementwise_rcp is only invoked with a FixedVectorType
so use cast to make this clear and satisfy the static verifier.

Added: 
    

Modified: 
    clang/lib/CodeGen/CGBuiltin.cpp

Removed: 
    


################################################################################
diff  --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index a54fa7bf87aad..c0297476391d2 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -18389,13 +18389,12 @@ Value *CodeGenFunction::EmitHLSLBuiltinExpr(unsigned BuiltinID,
       llvm_unreachable("rcp operand must have a float representation");
     llvm::Type *Ty = Op0->getType();
     llvm::Type *EltTy = Ty->getScalarType();
-    Constant *One =
-        Ty->isVectorTy()
-            ? ConstantVector::getSplat(
-                  ElementCount::getFixed(
-                      dyn_cast<FixedVectorType>(Ty)->getNumElements()),
-                  ConstantFP::get(EltTy, 1.0))
-            : ConstantFP::get(EltTy, 1.0);
+    Constant *One = Ty->isVectorTy()
+                        ? ConstantVector::getSplat(
+                              ElementCount::getFixed(
+                                  cast<FixedVectorType>(Ty)->getNumElements()),
+                              ConstantFP::get(EltTy, 1.0))
+                        : ConstantFP::get(EltTy, 1.0);
     return Builder.CreateFDiv(One, Op0, "hlsl.rcp");
   }
   case Builtin::BI__builtin_hlsl_elementwise_rsqrt: {