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| author | Duncan P. N. Exon Smith <dexonsmith@apple.com> | 2016-02-22 02:32:35 +0000 |
|---|---|---|
| committer | Duncan P. N. Exon Smith <dexonsmith@apple.com> | 2016-02-22 02:32:35 +0000 |
| commit | d6de2a76127837d1eef55574563347ea8c0210a9 (patch) | |
| tree | 20c6edf7328d3f872bcb9533593190ba6008d4ef /llvm | |
| parent | e7f8fb98359a818eb0944461d3718898d792d5ce (diff) | |
| download | bcm5719-llvm-d6de2a76127837d1eef55574563347ea8c0210a9.tar.gz bcm5719-llvm-d6de2a76127837d1eef55574563347ea8c0210a9.zip | |
Document assumption in X86FrameLowering::inlineStackProbe()
Resolve FIXME from r261504. Apparently bundled instructions are illegal
here:
http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-20160215/334146.html
llvm-svn: 261507
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/X86/X86FrameLowering.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86FrameLowering.cpp b/llvm/lib/Target/X86/X86FrameLowering.cpp index 1856ee1820e..db802c3a7e3 100644 --- a/llvm/lib/Target/X86/X86FrameLowering.cpp +++ b/llvm/lib/Target/X86/X86FrameLowering.cpp @@ -462,7 +462,8 @@ void X86FrameLowering::inlineStackProbe(MachineFunction &MF, } if (ChkStkStub != nullptr) { - // FIXME: MBBI is a bundle iterator. Should this be getBundleIterator()? + assert(!ChkStkStub->isBundled() && + "Not expecting bundled instructions here"); MachineBasicBlock::iterator MBBI = std::next(ChkStkStub->getInstrIterator()); assert(std::prev(MBBI).operator==(ChkStkStub) && |
