PTX: Simplify code. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140680 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PTX/PTXISelLowering.cpp b/lib/Target/PTX/PTXISelLowering.cpp
index 44733ac..c439d4c 100644
--- a/lib/Target/PTX/PTXISelLowering.cpp
+++ b/lib/Target/PTX/PTXISelLowering.cpp
@@ -399,19 +399,11 @@
Ops[0] = Chain;
// Identify the callee function
- if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(Callee)) {
- const GlobalValue *GV = G->getGlobal();
- if (const Function *F = dyn_cast<Function>(GV)) {
- assert(F->getCallingConv() == CallingConv::PTX_Device &&
- "PTX function calls must be to PTX device functions");
- Callee = DAG.getTargetGlobalAddress(GV, dl, getPointerTy());
- Ops[Ins.size()+1] = Callee;
- } else {
- assert(false && "GlobalValue is not a function");
- }
- } else {
- assert(false && "Function must be a GlobalAddressSDNode");
- }
+ const GlobalValue *GV = cast<GlobalAddressSDNode>(Callee)->getGlobal();
+ assert(cast<Function>(GV)->getCallingConv() == CallingConv::PTX_Device &&
+ "PTX function calls must be to PTX device functions");
+ Callee = DAG.getTargetGlobalAddress(GV, dl, getPointerTy());
+ Ops[Ins.size()+1] = Callee;
// Generate STORE_PARAM nodes for each function argument. In PTX, function
// arguments are explicitly stored into .param variables and passed as