range-for some loops in DAE
llvm-svn: 219167
diff --git a/llvm/lib/Transforms/IPO/DeadArgumentElimination.cpp b/llvm/lib/Transforms/IPO/DeadArgumentElimination.cpp
index 7b22e92..da4f032 100644
--- a/llvm/lib/Transforms/IPO/DeadArgumentElimination.cpp
+++ b/llvm/lib/Transforms/IPO/DeadArgumentElimination.cpp
@@ -1093,8 +1093,8 @@
// determine that dead arguments passed into recursive functions are dead).
//
DEBUG(dbgs() << "DAE - Determining liveness\n");
- for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
- SurveyFunction(*I);
+ for (auto &F : M)
+ SurveyFunction(F);
// Now, remove all dead arguments and return values from each function in
// turn.
@@ -1107,11 +1107,8 @@
// Finally, look for any unused parameters in functions with non-local
// linkage and replace the passed in parameters with undef.
- for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) {
- Function& F = *I;
-
+ for (auto &F : M)
Changed |= RemoveDeadArgumentsFromCallers(F);
- }
return Changed;
}