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Count the total amount of stack space used in compiled functions.
Patch by Ivan Krasin! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136921 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -54,6 +54,7 @@ INITIALIZE_PASS_END(PEI, "prologepilog",
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STATISTIC(NumVirtualFrameRegs, "Number of virtual frame regs encountered");
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STATISTIC(NumVirtualFrameRegs, "Number of virtual frame regs encountered");
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STATISTIC(NumScavengedRegs, "Number of frame index regs scavenged");
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STATISTIC(NumScavengedRegs, "Number of frame index regs scavenged");
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STATISTIC(NumBytesStackSpace, "Number of bytes used for stack in all functions");
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/// createPrologEpilogCodeInserter - This function returns a pass that inserts
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/// createPrologEpilogCodeInserter - This function returns a pass that inserts
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/// prolog and epilog code, and eliminates abstract frame references.
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/// prolog and epilog code, and eliminates abstract frame references.
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@ -677,7 +678,9 @@ void PEI::calculateFrameObjectOffsets(MachineFunction &Fn) {
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}
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}
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// Update frame info to pretend that this is part of the stack...
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// Update frame info to pretend that this is part of the stack...
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MFI->setStackSize(Offset - LocalAreaOffset);
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int64_t StackSize = Offset - LocalAreaOffset;
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MFI->setStackSize(StackSize);
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NumBytesStackSpace += StackSize;
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}
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}
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/// insertPrologEpilogCode - Scan the function for modified callee saved
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/// insertPrologEpilogCode - Scan the function for modified callee saved
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