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| author | Dale Johannesen <dalej@apple.com> | 2010-04-02 01:38:09 +0000 |
|---|---|---|
| committer | Dale Johannesen <dalej@apple.com> | 2010-04-02 01:38:09 +0000 |
| commit | 4244d12769ff19cc917ac39ee450a12bbcfeccfb (patch) | |
| tree | a73cbf2711c72627e31eee0ca4e370c63a0a177b /llvm/lib/Target/PIC16 | |
| parent | 8d6d0d4c5866268c202389487e49626181a340f1 (diff) | |
| download | bcm5719-llvm-4244d12769ff19cc917ac39ee450a12bbcfeccfb.tar.gz bcm5719-llvm-4244d12769ff19cc917ac39ee450a12bbcfeccfb.zip | |
Teach AnalyzeBranch, RemoveBranch and the branch
folder to be tolerant of debug info following the
branch(es) at the end of a block.
llvm-svn: 100168
Diffstat (limited to 'llvm/lib/Target/PIC16')
| -rw-r--r-- | llvm/lib/Target/PIC16/PIC16InstrInfo.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/PIC16/PIC16InstrInfo.cpp b/llvm/lib/Target/PIC16/PIC16InstrInfo.cpp index 2fb405e947f..da16e8383c3 100644 --- a/llvm/lib/Target/PIC16/PIC16InstrInfo.cpp +++ b/llvm/lib/Target/PIC16/PIC16InstrInfo.cpp @@ -226,6 +226,11 @@ bool PIC16InstrInfo::AnalyzeBranch(MachineBasicBlock &MBB, // Get the terminator instruction. --I; + while (I->isDebugValue()) { + if (I == MBB.begin()) + return true; + --I; + } // Handle unconditional branches. If the unconditional branch's target is // successor basic block then remove the unconditional branch. if (I->getOpcode() == PIC16::br_uncond && AllowModify) { |
