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asmstreamerize the .size directive for function bodies, force clients

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of printOffset to pass in a stream to print to.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100296 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-04-03 22:28:33 +00:00
parent fd60b8b484
commit 0c08d09204
7 changed files with 22 additions and 24 deletions
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lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+13 -10
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@@ -461,7 +461,16 @@ void AsmPrinter::EmitFunctionBody() {
// If the target wants a .size directive for the size of the function, emit
// it.
if (MAI->hasDotTypeDotSizeDirective()) {
O << "\t.size\t" << *CurrentFnSym << ", .-" << *CurrentFnSym << '\n';
// Create a symbol for the end of function, so we can get the size as
// difference between the function label and the temp label.
MCSymbol *FnEndLabel = OutContext.CreateTempSymbol();
OutStreamer.EmitLabel(FnEndLabel);
const MCExpr *SizeExp =
MCBinaryExpr::CreateSub(MCSymbolRefExpr::Create(FnEndLabel, OutContext),
MCSymbolRefExpr::Create(CurrentFnSym, OutContext),
OutContext);
OutStreamer.EmitELFSize(CurrentFnSym, SizeExp);
}
// Emit post-function debug information.
@@ -922,12 +931,6 @@ void AsmPrinter::EmitInt32(int Value) const {
OutStreamer.EmitIntValue(Value, 4, 0/*addrspace*/);
}
/// EmitInt64 - Emit a long long directive and value.
///
void AsmPrinter::EmitInt64(uint64_t Value) const {
OutStreamer.EmitIntValue(Value, 8, 0/*addrspace*/);
}
/// EmitLabelDifference - Emit something like ".long Hi-Lo" where the size
/// in bytes of the directive is specified by Size and Hi/Lo specify the
/// labels. This implicitly uses .set if it is available.
@@ -1822,11 +1825,11 @@ void AsmPrinter::EmitVisibility(MCSymbol *Sym, unsigned Visibility) const {
OutStreamer.EmitSymbolAttribute(Sym, Attr);
}
void AsmPrinter::printOffset(int64_t Offset) const {
void AsmPrinter::printOffset(int64_t Offset, raw_ostream &OS) const {
if (Offset > 0)
O << '+' << Offset;
OS << '+' << Offset;
else if (Offset < 0)
O << Offset;
OS << Offset;
}
/// isBlockOnlyReachableByFallthough - Return true if the basic block has