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Fixed incorrect SCCP for SWITCH

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This commit is contained in:
Dmitry Stogov 2023-12-25 22:53:06 +03:00
parent 07b41c8d37
commit 71ab68fa39
1 changed files with 5 additions and 1 deletions
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6
ir_sccp.c
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@ -741,7 +741,11 @@ int ir_sccp(ir_ctx *ctx)
} }
continue; continue;
} }
if (!IR_IS_BOTTOM(insn->op2)) { if (!IR_IS_BOTTOM(insn->op2)
#if IR_COMBO_COPY_PROPAGATION
&& (IR_IS_CONST_REF(insn->op2) || _values[insn->op2].op != IR_COPY)
#endif
) {
ir_ref use_case = IR_UNUSED; ir_ref use_case = IR_UNUSED;
use_list = &ctx->use_lists[i]; use_list = &ctx->use_lists[i];