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Only gather frame info if debug or eh.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33639 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Laskey 2007-01-29 23:20:22 +00:00
parent c874eb54ec
commit e078d1a14a
4 changed files with 9 additions and 5 deletions
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5
include/llvm/CodeGen/MachineModuleInfo.h
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@ -36,6 +36,7 @@
#include "llvm/ADT/UniqueVector.h"
#include "llvm/GlobalValue.h"
#include "llvm/Pass.h"
#include "llvm/Target/TargetOptions.h"
namespace llvm {
@ -1025,6 +1026,10 @@ public:
///
bool hasDebugInfo() const { return !CompileUnits.empty(); }
/// needsFrameInfo - Returns true if we need to gather callee-saved register
/// move info for the frame.
bool needsFrameInfo() const { return hasDebugInfo() || ExceptionHandling; }
/// NextLabelID - Return the next unique label id.
///
unsigned NextLabelID() {

1
lib/CodeGen/DwarfWriter.cpp
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@ -31,7 +31,6 @@
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetFrameInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
#include <ostream>
#include <string>
using namespace llvm;

4
lib/Target/PowerPC/PPCRegisterInfo.cpp
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@ -818,7 +818,7 @@ void PPCRegisterInfo::emitPrologue(MachineFunction &MF) const {
unsigned TargetAlign = MF.getTarget().getFrameInfo()->getStackAlignment();
unsigned MaxAlign = MFI->getMaxAlignment();
if (MMI) {
if (MMI && MMI->needsFrameInfo()) {
// Mark effective beginning of when frame pointer becomes valid.
FrameLabelId = MMI->NextLabelID();
BuildMI(MBB, MBBI, TII.get(PPC::LABEL)).addImm(FrameLabelId);
@ -869,7 +869,7 @@ void PPCRegisterInfo::emitPrologue(MachineFunction &MF) const {
}
}
if (MMI) {
if (MMI && MMI->needsFrameInfo()) {
std::vector<MachineMove> &Moves = MMI->getFrameMoves();
if (NegFrameSize) {

4
lib/Target/X86/X86RegisterInfo.cpp
View File

@ -1022,7 +1022,7 @@ void X86RegisterInfo::emitPrologue(MachineFunction &MF) const {
}
}
if (MMI) {
if (MMI && MMI->needsFrameInfo()) {
// Mark effective beginning of when frame pointer becomes valid.
FrameLabelId = MMI->NextLabelID();
BuildMI(MBB, MBBI, TII.get(X86::LABEL)).addImm(FrameLabelId);
@ -1052,7 +1052,7 @@ void X86RegisterInfo::emitPrologue(MachineFunction &MF) const {
MBB.insert(MBBI, MI);
}
if (MMI) {
if (MMI && MMI->needsFrameInfo()) {
std::vector<MachineMove> &Moves = MMI->getFrameMoves();
if (NumBytes) {