Add a 'tail' marker for call instructions, patch contributed by
Alexander Friedman.
llvm-svn: 21722
diff --git a/llvm/lib/VMCore/AsmWriter.cpp b/llvm/lib/VMCore/AsmWriter.cpp
index 18d045f..6db1a9a 100644
--- a/llvm/lib/VMCore/AsmWriter.cpp
+++ b/llvm/lib/VMCore/AsmWriter.cpp
@@ -1043,10 +1043,14 @@
if (I.hasName())
Out << getLLVMName(I.getName()) << " = ";
- // If this is a volatile load or store, print out the volatile marker
+ // If this is a volatile load or store, print out the volatile marker.
if ((isa<LoadInst>(I) && cast<LoadInst>(I).isVolatile()) ||
- (isa<StoreInst>(I) && cast<StoreInst>(I).isVolatile()))
+ (isa<StoreInst>(I) && cast<StoreInst>(I).isVolatile())) {
Out << "volatile ";
+ } else if (isa<CallInst>(I) && cast<CallInst>(I).isTailCall()) {
+ // If this is a call, check if it's a tail call.
+ Out << "tail ";
+ }
// Print out the opcode...
Out << I.getOpcodeName();