Author: chandlerc
Date: Thu Oct 18 01:16:20 2018
New Revision: 344730
URL: http://llvm.org/viewvc/llvm-project?rev=344730&view=rev
Log:
[TI removal] Test predicate rather than casting to detect a terminator
and use the range based successor API.
Modified:
cfe/trunk/lib/CodeGen/CGLoopInfo.cpp
Modified: cfe/trunk/lib/CodeGen/CGLoopInfo.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGLoopInfo.cpp?rev=344730&r1=344729&r2=344730&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGLoopInfo.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGLoopInfo.cpp Thu Oct 18 01:16:20 2018
@@ -12,6 +12,7 @@
#include "clang/AST/Attr.h"
#include "clang/Sema/LoopHint.h"
#include "llvm/IR/BasicBlock.h"
+#include "llvm/IR/CFG.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/InstrTypes.h"
#include "llvm/IR/Instructions.h"
@@ -335,10 +336,10 @@ void LoopInfoStack::InsertHelper(Instruc
if (!L.getLoopID())
return;
- if (TerminatorInst *TI = dyn_cast<TerminatorInst>(I)) {
- for (unsigned i = 0, ie = TI->getNumSuccessors(); i < ie; ++i)
- if (TI->getSuccessor(i) == L.getHeader()) {
- TI->setMetadata(llvm::LLVMContext::MD_loop, L.getLoopID());
+ if (I->isTerminator()) {
+ for (BasicBlock *Succ : successors(I))
+ if (Succ == L.getHeader()) {
+ I->setMetadata(llvm::LLVMContext::MD_loop, L.getLoopID());
break;
}
return;
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