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nv50/ir/opt: another insn NULL check in phi elimination

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This commit is contained in:
Christoph Bumiller 2012-01-29 15:41:52 +01:00
parent 4ece0dbd2f
commit bb9c15bac4
1 changed files with 2 additions and 0 deletions
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2
src/gallium/drivers/nv50/codegen/nv50_ir_peephole.cpp
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@ -2020,6 +2020,8 @@ GlobalCSE::visit(BasicBlock *bb)
if (phi->getSrc(0)->refCount() > 1)
continue;
ik = phi->getSrc(0)->getInsn();
if (!ik)
continue; // probably a function input
for (s = 1; phi->srcExists(s); ++s) {
if (phi->getSrc(s)->refCount() > 1)
break;