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aco: Don't skip combine_instruction when definitions[1] is used.

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Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
This commit is contained in:
Timur Kristóf 2019-11-19 13:38:34 +01:00
parent 338d03090f
commit 1c44129db3
1 changed files with 1 additions and 1 deletions
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2
src/amd/compiler/aco_optimizer.cpp
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@ -2150,7 +2150,7 @@ bool apply_omod_clamp(opt_ctx &ctx, Block& block, aco_ptr<Instruction>& instr)
void combine_instruction(opt_ctx &ctx, Block& block, aco_ptr<Instruction>& instr)
{
if (instr->definitions.empty() || !ctx.uses[instr->definitions[0].tempId()])
if (instr->definitions.empty() || is_dead(ctx.uses, instr.get()))
return;
if (instr->isVALU()) {