ADT/STLExtras: Introduce llvm::empty; NFC
This is modeled after C++17 std::empty().
Differential Revision: https://reviews.llvm.org/D53909
llvm-svn: 345679
diff --git a/llvm/lib/Transforms/Utils/PredicateInfo.cpp b/llvm/lib/Transforms/Utils/PredicateInfo.cpp
index 9d96248..585ce6b 100644
--- a/llvm/lib/Transforms/Utils/PredicateInfo.cpp
+++ b/llvm/lib/Transforms/Utils/PredicateInfo.cpp
@@ -522,7 +522,7 @@
if (isa<PredicateWithEdge>(ValInfo)) {
IRBuilder<> B(getBranchTerminator(ValInfo));
Function *IF = getCopyDeclaration(F.getParent(), Op->getType());
- if (IF->user_begin() == IF->user_end())
+ if (empty(IF->users()))
CreatedDeclarations.insert(IF);
CallInst *PIC =
B.CreateCall(IF, Op, Op->getName() + "." + Twine(Counter++));
@@ -534,7 +534,7 @@
"Should not have gotten here without it being an assume");
IRBuilder<> B(PAssume->AssumeInst);
Function *IF = getCopyDeclaration(F.getParent(), Op->getType());
- if (IF->user_begin() == IF->user_end())
+ if (empty(IF->users()))
CreatedDeclarations.insert(IF);
CallInst *PIC = B.CreateCall(IF, Op);
PredicateMap.insert({PIC, ValInfo});
diff --git a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
index dd0d441..849f9ee 100644
--- a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
+++ b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -5260,7 +5260,7 @@
// Figure out the corresponding result for each case value and phi node in the
// common destination, as well as the min and max case values.
- assert(SI->case_begin() != SI->case_end());
+ assert(!empty(SI->cases()));
SwitchInst::CaseIt CI = SI->case_begin();
ConstantInt *MinCaseVal = CI->getCaseValue();
ConstantInt *MaxCaseVal = CI->getCaseValue();