diff options
| author | Eli Friedman <eli.friedman@gmail.com> | 2011-06-09 18:55:00 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2011-06-09 18:55:00 +0000 |
| commit | c095116710d06f632205c726fa15dbbe8f17e06c (patch) | |
| tree | 0a3fb39ec201007d0f9bd5e76534a6676a6a87a4 /llvm/lib | |
| parent | 68d6d8ab87c6593ff79d6cf125acda4d6c4456f8 (diff) | |
| download | bcm5719-llvm-c095116710d06f632205c726fa15dbbe8f17e06c.tar.gz bcm5719-llvm-c095116710d06f632205c726fa15dbbe8f17e06c.zip | |
Add a check to make sure we don't crash with strange configurations where we do fast-isel, then try to fold instructions. PR10092.
llvm-svn: 132789
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp index 18d71da4741..f98497f654b 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.cpp +++ b/llvm/lib/Target/X86/X86InstrInfo.cpp @@ -2392,6 +2392,10 @@ MachineInstr* X86InstrInfo::foldMemoryOperandImpl(MachineFunction &MF, return 0; } + // Conservatively fail out for loads without a memoperand. + if (LoadMI->memoperands_empty()) + return 0; + // Determine the alignment of the load. unsigned Alignment = 0; if (LoadMI->hasOneMemOperand()) |
