use CallSite::isCalle instead of slow getOperandNo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62877 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/IPO/DeadArgumentElimination.cpp b/lib/Transforms/IPO/DeadArgumentElimination.cpp
index 9d7980c..dd5fce6 100644
--- a/lib/Transforms/IPO/DeadArgumentElimination.cpp
+++ b/lib/Transforms/IPO/DeadArgumentElimination.cpp
@@ -182,7 +182,7 @@
if (!TheCall) return false; // Not a direct call site?
// The addr of this function is passed to the call.
- if (I.getOperandNo() != 0) return false;
+ if (!CS.isCallee(I)) return false;
}
// Okay, we know we can transform this function if safe. Scan its body
@@ -438,13 +438,13 @@
for (Value::use_iterator I = F.use_begin(), E = F.use_end(); I != E; ++I) {
// If the function is PASSED IN as an argument, its address has been
// taken.
- if (I.getOperandNo() != 0) {
+ CallSite CS = CallSite::get(*I);
+ if (!CS.getInstruction() || !CS.isCallee(I)) {
MarkLive(F);
return;
}
// If this use is anything other than a call site, the function is alive.
- CallSite CS = CallSite::get(*I);
Instruction *TheCall = CS.getInstruction();
if (!TheCall) { // Not a direct call site?
MarkLive(F);