Move to raw_ostream.

[oota-llvm.git] / lib / CodeGen / MachineModuleInfo.cpp

diff --git a/lib/CodeGen/MachineModuleInfo.cpp b/lib/CodeGen/MachineModuleInfo.cpp
index f5d92f13b5279067f32215eaf5aa0a289d96f073..20b819e8235105680c87668322f5f3b50111f02f 100644 (file)
--- a/lib/CodeGen/MachineModuleInfo.cpp
+++ b/lib/CodeGen/MachineModuleInfo.cpp
@@ -88,7 +88,8 @@ void MachineModuleInfo::EndFunction() {
 /// AnalyzeModule - Scan the module for global debug information.
 ///
 void MachineModuleInfo::AnalyzeModule(Module &M) {
-  // Insert functions in the llvm.used array into UsedFunctions.
+  // Insert functions in the llvm.used array (but not llvm.compiler.used) into
+  // UsedFunctions.
   GlobalVariable *GV = M.getGlobalVariable("llvm.used");
   if (!GV || !GV->hasInitializer()) return;
 
@@ -96,12 +97,10 @@ void MachineModuleInfo::AnalyzeModule(Module &M) {
   ConstantArray *InitList = dyn_cast<ConstantArray>(GV->getInitializer());
   if (InitList == 0) return;
 
-  for (unsigned i = 0, e = InitList->getNumOperands(); i != e; ++i) {
-    if (ConstantExpr *CE = dyn_cast<ConstantExpr>(InitList->getOperand(i)))
-      if (CE->getOpcode() == Instruction::BitCast)
-        if (Function *F = dyn_cast<Function>(CE->getOperand(0)))
-          UsedFunctions.insert(F);
-  }
+  for (unsigned i = 0, e = InitList->getNumOperands(); i != e; ++i)
+    if (Function *F =
+          dyn_cast<Function>(InitList->getOperand(i)->stripPointerCasts()))
+      UsedFunctions.insert(F);
 }
 
 //===-EH-------------------------------------------------------------------===//