Add a quick and dirty "loop aligner pass". x86 uses it to align its loops to 16-byte boundaries.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47703 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ATTAsmPrinter.cpp b/lib/Target/X86/X86ATTAsmPrinter.cpp
index 304e0f7..b9770fe 100644
--- a/lib/Target/X86/X86ATTAsmPrinter.cpp
+++ b/lib/Target/X86/X86ATTAsmPrinter.cpp
@@ -101,36 +101,25 @@
switch (F->getLinkage()) {
default: assert(0 && "Unknown linkage type!");
case Function::InternalLinkage: // Symbols default to internal.
- if (Subtarget->isTargetDarwin())
- // FIXME: This should be parameterized somewhere.
- EmitAlignment(4, F, 0, true, 0x90);
- else
- EmitAlignment(4, F);
+ EmitAlignment(4, F);
break;
case Function::DLLExportLinkage:
DLLExportedFns.insert(Mang->makeNameProper(F->getName(), ""));
//FALLS THROUGH
case Function::ExternalLinkage:
- if (Subtarget->isTargetDarwin())
- // FIXME: This should be parameterized somewhere.
- EmitAlignment(4, F, 0, true, 0x90);
- else
- EmitAlignment(4, F);
+ EmitAlignment(4, F);
O << "\t.globl\t" << CurrentFnName << "\n";
break;
case Function::LinkOnceLinkage:
case Function::WeakLinkage:
+ EmitAlignment(4, F);
if (Subtarget->isTargetDarwin()) {
- // FIXME: This should be parameterized somewhere.
- EmitAlignment(4, F, 0, true, 0x90);
O << "\t.globl\t" << CurrentFnName << "\n";
O << TAI->getWeakDefDirective() << CurrentFnName << "\n";
} else if (Subtarget->isTargetCygMing()) {
- EmitAlignment(4, F);
O << "\t.globl\t" << CurrentFnName << "\n";
O << "\t.linkonce discard\n";
} else {
- EmitAlignment(4, F);
O << "\t.weak\t" << CurrentFnName << "\n";
}
break;
@@ -180,7 +169,7 @@
I != E; ++I) {
// Print a label for the basic block.
if (!I->pred_empty()) {
- printBasicBlockLabel(I, true);
+ printBasicBlockLabel(I, true, true);
O << '\n';
}
for (MachineBasicBlock::const_iterator II = I->begin(), IE = I->end();
@@ -515,7 +504,7 @@
O << TAI->getSetDirective() << ' ' << TAI->getPrivateGlobalPrefix()
<< getFunctionNumber() << '_' << uid << "_set_" << MBB->getNumber() << ',';
- printBasicBlockLabel(MBB, false, false);
+ printBasicBlockLabel(MBB, false, false, false);
if (Subtarget->isPICStyleRIPRel())
O << '-' << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
<< '_' << uid << '\n';
@@ -543,12 +532,12 @@
O << TAI->getPrivateGlobalPrefix() << getFunctionNumber()
<< '_' << uid << "_set_" << MBB->getNumber();
} else if (Subtarget->isPICStyleGOT()) {
- printBasicBlockLabel(MBB, false, false);
+ printBasicBlockLabel(MBB, false, false, false);
O << "@GOTOFF";
} else
assert(0 && "Don't know how to print MBB label for this PIC mode");
} else
- printBasicBlockLabel(MBB, false, false);
+ printBasicBlockLabel(MBB, false, false, false);
}
bool X86ATTAsmPrinter::printAsmMRegister(const MachineOperand &MO,