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| author | Quentin Colombet <qcolombet@apple.com> | 2016-12-08 00:06:51 +0000 |
|---|---|---|
| committer | Quentin Colombet <qcolombet@apple.com> | 2016-12-08 00:06:51 +0000 |
| commit | ae3168da3f9130365f1372b6c23582adbf72aa2c (patch) | |
| tree | f64189f7c32e8664da908599abc33d8fb951f784 /llvm/lib/CodeGen/InlineSpiller.cpp | |
| parent | 962364c605b5122c08bd247832a9fc0ad2096a60 (diff) | |
| download | bcm5719-llvm-ae3168da3f9130365f1372b6c23582adbf72aa2c.tar.gz bcm5719-llvm-ae3168da3f9130365f1372b6c23582adbf72aa2c.zip | |
[InlineSpiller] Don't call TargetInstrInfo::foldMemoryOperand with an empty list.
Since r287792 if we try to do that we will hit an assert.
llvm-svn: 289001
Diffstat (limited to 'llvm/lib/CodeGen/InlineSpiller.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/InlineSpiller.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/InlineSpiller.cpp b/llvm/lib/CodeGen/InlineSpiller.cpp index 3e5ae5f5f07..422f2dc2f2f 100644 --- a/llvm/lib/CodeGen/InlineSpiller.cpp +++ b/llvm/lib/CodeGen/InlineSpiller.cpp @@ -768,6 +768,11 @@ foldMemoryOperand(ArrayRef<std::pair<MachineInstr*, unsigned> > Ops, FoldOps.push_back(Idx); } + // If we only have implicit uses, we won't be able to fold that. + // Moreover, TargetInstrInfo::foldMemoryOperand will assert if we try! + if (FoldOps.empty()) + return false; + MachineInstrSpan MIS(MI); MachineInstr *FoldMI = |
