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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 | c219d191aadb4f9532bcaea5c5e66f66912656ca (patch) | |
| tree | e50992688b2d2d374f786901344a614afa0a372b /lib/CodeGen | |
| parent | 4d3586dd230a3b16018da138404dbb87faf2008d (diff) | |
| download | external_llvm-c219d191aadb4f9532bcaea5c5e66f66912656ca.zip external_llvm-c219d191aadb4f9532bcaea5c5e66f66912656ca.tar.gz external_llvm-c219d191aadb4f9532bcaea5c5e66f66912656ca.tar.bz2 | |
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
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/PrologEpilogInserter.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/CodeGen/PrologEpilogInserter.cpp b/lib/CodeGen/PrologEpilogInserter.cpp index a901c5f..7e5d804 100644 --- a/lib/CodeGen/PrologEpilogInserter.cpp +++ b/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 |