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nir/range-analysis: Fail gracefully on non-SSA sources

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Tested-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Ian Romanick 2019-08-12 15:47:35 -07:00
parent 1290cc3e27
commit f2965fde9b
1 changed files with 3 additions and 0 deletions
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3
src/compiler/nir/nir_range_analysis.c
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@ -217,6 +217,9 @@ static struct ssa_result_range
analyze_expression(const nir_alu_instr *instr, unsigned src,
struct hash_table *ht)
{
if (!instr->src[src].src.is_ssa)
return (struct ssa_result_range){unknown, false};
if (nir_src_is_const(instr->src[src].src))
return analyze_constant(instr, src);