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ir3/sched: Handle branch condition in split_pred()

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Before this, if there was a block with multiple things writing p0.x,
it was a tossup whether the right one would be used as the branch
condition. Found by inspection.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6752>
This commit is contained in:
Connor Abbott
2021-05-28 17:31:48 +02:00
committed by Marge Bot
parent bb3212dd4d
commit 43e926a3af
1 changed files with 10 additions and 0 deletions
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10
src/freedreno/ir3/ir3_sched.c
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@@ -944,6 +944,16 @@ split_pred(struct ir3_sched_ctx *ctx)
} }
} }
if (ctx->block->condition == ctx->pred) {
if (!new_pred) {
new_pred = split_instr(ctx, ctx->pred);
/* original pred is scheduled, but new one isn't: */
new_pred->flags &= ~IR3_INSTR_MARK;
}
ctx->block->condition = new_pred;
d("new branch condition");
}
/* all remaining predicated remapped to new pred: */ /* all remaining predicated remapped to new pred: */
ctx->pred = NULL; ctx->pred = NULL;