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| author | Chris Lattner <sabre@nondot.org> | 2001-09-14 18:29:28 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2001-09-14 18:29:28 +0000 |
| commit | ffe335ace15373e34f7ca28a4b045c1d71f70a26 (patch) | |
| tree | e3e4a46bac9c172275c2d549e777daad90c64e35 | |
| parent | c0c77083ba7915fabbe86065a77f2b7bb5636bef (diff) | |
Fix a bug that caused a crash if a setcc had zero uses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@574 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/SparcV9/SparcV9InstrSelection.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/SparcV9/SparcV9InstrSelection.cpp b/lib/Target/SparcV9/SparcV9InstrSelection.cpp index c73264c221..fde7282e85 100644 --- a/lib/Target/SparcV9/SparcV9InstrSelection.cpp +++ b/lib/Target/SparcV9/SparcV9InstrSelection.cpp @@ -1688,7 +1688,7 @@ GetInstructionsByRule(InstructionNode* subtreeRoot, // to follow SSA def-use edges here, not BURG tree edges. // Instruction* result = subtreeRoot->getInstruction(); - Value* firstUse = (Value*) * result->use_begin(); + Value* firstUse = result->use_empty() ? 0 : *result->use_begin(); bool discardResult = (result->use_size() == 1 && firstUse->isInstruction() |