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Remove verifySizes() since it's not adding much value.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89443 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach 2009-11-20 02:32:06 +00:00
parent 9b82425cb0
commit de8b1dbf95
1 changed files with 0 additions and 36 deletions
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36
lib/Target/ARM/ARMConstantIslandPass.cpp
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@ -221,45 +221,10 @@ namespace {
unsigned GetOffsetOf(MachineInstr *MI) const; unsigned GetOffsetOf(MachineInstr *MI) const;
void dumpBBs(); void dumpBBs();
void verify(MachineFunction &MF); void verify(MachineFunction &MF);
void verifySizes(MachineFunction &MF);
}; };
char ARMConstantIslands::ID = 0; char ARMConstantIslands::ID = 0;
} }
// verifySizes - Recalculate BB sizes from scratch and validate that the result
// matches the values we've been using.
void ARMConstantIslands::verifySizes(MachineFunction &MF) {
unsigned Offset = 0;
for (MachineFunction::iterator MBBI = MF.begin(), E = MF.end();
MBBI != E; ++MBBI) {
MachineBasicBlock &MBB = *MBBI;
unsigned MBBSize = 0;
for (MachineBasicBlock::iterator I = MBB.begin(), E = MBB.end();
I != E; ++I) {
// Add instruction size to MBBSize.
MBBSize += TII->GetInstSizeInBytes(I);
}
// In thumb mode, if this block is a constpool island, we may need padding
// so it's aligned on 4 byte boundary.
if (isThumb &&
!MBB.empty() &&
MBB.begin()->getOpcode() == ARM::CONSTPOOL_ENTRY &&
((Offset%4) != 0 || HasInlineAsm))
MBBSize += 2;
Offset += MBBSize;
DEBUG(errs() << "block #" << MBB.getNumber() << ": "
<< MBBSize << " bytes (expecting " << BBSizes[MBB.getNumber()]
<< (MBB.begin()->getOpcode() == ARM::CONSTPOOL_ENTRY ?
" CONSTANTPOOL" : "") << ")\n");
#ifndef NDEBUG
if (MBBSize != BBSizes[MBB.getNumber()])
MBB.dump();
#endif
assert (MBBSize == BBSizes[MBB.getNumber()] && "block size mismatch!");
}
}
/// verify - check BBOffsets, BBSizes, alignment of islands /// verify - check BBOffsets, BBSizes, alignment of islands
void ARMConstantIslands::verify(MachineFunction &MF) { void ARMConstantIslands::verify(MachineFunction &MF) {
assert(BBOffsets.size() == BBSizes.size()); assert(BBOffsets.size() == BBSizes.size());
@ -392,7 +357,6 @@ bool ARMConstantIslands::runOnMachineFunction(MachineFunction &MF) {
// After a while, this might be made debug-only, but it is not expensive. // After a while, this might be made debug-only, but it is not expensive.
verify(MF); verify(MF);
verifySizes(MF);
// If LR has been forced spilled and no far jumps (i.e. BL) has been issued. // If LR has been forced spilled and no far jumps (i.e. BL) has been issued.
// Undo the spill / restore of LR if possible. // Undo the spill / restore of LR if possible.