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| author | Reid Kleckner <rnk@google.com> | 2015-11-11 23:09:31 +0000 |
|---|---|---|
| committer | Reid Kleckner <rnk@google.com> | 2015-11-11 23:09:31 +0000 |
| commit | b9204a584c4494d3b057ef4ff8795572023eebbe (patch) | |
| tree | 9b3da1d20bbaddc98a4a4b2b77eb371f778bb5e5 /llvm/lib/CodeGen/MachineBasicBlock.cpp | |
| parent | f93fff27f0d4f848e79fd695d126a0abf264d9c4 (diff) | |
| download | llvm-b9204a584c4494d3b057ef4ff8795572023eebbe.zip llvm-b9204a584c4494d3b057ef4ff8795572023eebbe.tar.gz llvm-b9204a584c4494d3b057ef4ff8795572023eebbe.tar.bz2 | |
[WinEH] Don't forward branches across empty EH pad BBs
For really simple SEH catchpads, we tried to forward the invoke unwind
edge across the empty block.
llvm-svn: 252822
Diffstat (limited to 'llvm/lib/CodeGen/MachineBasicBlock.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineBasicBlock.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineBasicBlock.cpp b/llvm/lib/CodeGen/MachineBasicBlock.cpp index 8e11979..44dbf9f 100644 --- a/llvm/lib/CodeGen/MachineBasicBlock.cpp +++ b/llvm/lib/CodeGen/MachineBasicBlock.cpp @@ -52,6 +52,7 @@ MCSymbol *MachineBasicBlock::getSymbol() const { const MachineFunction *MF = getParent(); MCContext &Ctx = MF->getContext(); const char *Prefix = Ctx.getAsmInfo()->getPrivateLabelPrefix(); + assert(getNumber() >= 0 && "cannot get label for unreachable MBB"); CachedMCSymbol = Ctx.getOrCreateSymbol(Twine(Prefix) + "BB" + Twine(MF->getFunctionNumber()) + "_" + Twine(getNumber())); |