Canged ColorCallArg so that when a call arg is directly pushed on to stack
for argument passing, that instruction is directly added to the InstructionsBefore
set of the called machine instruction - i.e., it is not reordered.
llvm-svn: 1277
diff --git a/llvm/lib/Target/Sparc/SparcRegInfo.cpp b/llvm/lib/Target/Sparc/SparcRegInfo.cpp
index 4040b02..b576d05 100644
--- a/llvm/lib/Target/Sparc/SparcRegInfo.cpp
+++ b/llvm/lib/Target/Sparc/SparcRegInfo.cpp
@@ -668,7 +668,11 @@
AdMI = cpReg2MemMI(UniLRReg, getStackPointer(), argOffset, RegType );
}
- AddedInstrnsBefore.push_back( AdMI ); // Now add the instruction
+ // Now add the instruction. We can directly add to
+ // CallAI->InstrnsBefore since we are just saving a reg on stack
+ //
+ CallAI->InstrnsBefore.push_back( AdMI );
+ //cerr << "\nCaution: Passing a reg on stack";
}
else { // LR is not colored (i.e., spilled)
@@ -683,6 +687,7 @@
AdMI = cpMem2RegMI(getFramePointer(), LR->getSpillOffFromFP(),
UniArgReg, RegType );
+ cerr << "\nCaution: Loading a spilled val to a reg as a call arg";
AddedInstrnsBefore.push_back( AdMI ); // Now add the instruction
}
@@ -728,7 +733,7 @@
CallAI->InstrnsBefore.push_back( Ad3 );
CallAI->InstrnsBefore.push_back( Ad4 );
- cerr << "\n Caution: Call arg moved from stack to stack";
+ cerr << "\nCaution: Call arg moved from stack2stack for: " << *CallMI ;
}
}