reapply r101434
with a fix for self-hosting
rotate CallInst operands, i.e. move callee to the back
of the operand array
the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101465 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Instrumentation/ProfilingUtils.cpp b/lib/Transforms/Instrumentation/ProfilingUtils.cpp
index 8662a82..d534690 100644
--- a/lib/Transforms/Instrumentation/ProfilingUtils.cpp
+++ b/lib/Transforms/Instrumentation/ProfilingUtils.cpp
@@ -73,10 +73,10 @@
if (AI->getType() != ArgVTy) {
Instruction::CastOps opcode = CastInst::getCastOpcode(AI, false, ArgVTy,
false);
- InitCall->setOperand(2,
+ InitCall->setOperand(1,
CastInst::Create(opcode, AI, ArgVTy, "argv.cast", InitCall));
} else {
- InitCall->setOperand(2, AI);
+ InitCall->setOperand(1, AI);
}
/* FALL THROUGH */
@@ -93,12 +93,12 @@
}
opcode = CastInst::getCastOpcode(AI, true,
Type::getInt32Ty(Context), true);
- InitCall->setOperand(1,
+ InitCall->setOperand(0,
CastInst::Create(opcode, AI, Type::getInt32Ty(Context),
"argc.cast", InitCall));
} else {
AI->replaceAllUsesWith(InitCall);
- InitCall->setOperand(1, AI);
+ InitCall->setOperand(0, AI);
}
case 0: break;