{mesa 3e468ff2 cherrypick} nv50/ir: handle insn not being there for d…

…efinition of CVT arg This can happen if it's e.g. a uniform or a function argument.
devkitPro · Jan 22, 2020 · 315a736 · 315a736
1 parent adc138f
commit 315a736
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/mesa-imported/codegen/nv50_ir_peephole.cpp b/mesa-imported/codegen/nv50_ir_peephole.cpp
@@ -2080,14 +2080,15 @@ void
 AlgebraicOpt::handleCVT_CVT(Instruction *cvt)
 {
    Instruction *insn = cvt->getSrc(0)->getInsn();
-   RoundMode rnd = insn->rnd;
 
-   if (insn->saturate ||
+   if (!insn ||
+       insn->saturate ||
        insn->subOp ||
        insn->dType != insn->sType ||
        insn->dType != cvt->sType)
       return;
 
+   RoundMode rnd = insn->rnd;
    switch (insn->op) {
    case OP_CEIL:
       rnd = ROUND_PI;