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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-08-04 21:06:09 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-08-04 21:06:09 +0000 |
| commit | 63e3dec9adb4c134d0cf6e08241970adc75a7ad5 (patch) | |
| tree | 4088ea400c3637563ae8c4c4f6ceda20f4a717ac /llvm/lib/CodeGen/PrologEpilogInserter.cpp | |
| parent | 2c5f0e96c48417e6035fecda056084ee685bc531 (diff) | |
| download | bcm5719-llvm-63e3dec9adb4c134d0cf6e08241970adc75a7ad5.tar.gz bcm5719-llvm-63e3dec9adb4c134d0cf6e08241970adc75a7ad5.zip | |
Count the total amount of stack space used in compiled functions.
Patch by Ivan Krasin!
llvm-svn: 136921
Diffstat (limited to 'llvm/lib/CodeGen/PrologEpilogInserter.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/PrologEpilogInserter.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/PrologEpilogInserter.cpp b/llvm/lib/CodeGen/PrologEpilogInserter.cpp index a901c5fefa3..7e5d804f913 100644 --- a/llvm/lib/CodeGen/PrologEpilogInserter.cpp +++ b/llvm/lib/CodeGen/PrologEpilogInserter.cpp @@ -54,6 +54,7 @@ INITIALIZE_PASS_END(PEI, "prologepilog", STATISTIC(NumVirtualFrameRegs, "Number of virtual frame regs encountered"); STATISTIC(NumScavengedRegs, "Number of frame index regs scavenged"); +STATISTIC(NumBytesStackSpace, "Number of bytes used for stack in all functions"); /// createPrologEpilogCodeInserter - This function returns a pass that inserts /// prolog and epilog code, and eliminates abstract frame references. @@ -677,7 +678,9 @@ void PEI::calculateFrameObjectOffsets(MachineFunction &Fn) { } // Update frame info to pretend that this is part of the stack... - MFI->setStackSize(Offset - LocalAreaOffset); + int64_t StackSize = Offset - LocalAreaOffset; + MFI->setStackSize(StackSize); + NumBytesStackSpace += StackSize; } /// insertPrologEpilogCode - Scan the function for modified callee saved |
