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ir_block_create_{phi,call} now check self->final

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Wolfgang (Blub) Bumiller 2012-12-19 20:39:44 +01:00
parent 384446316a
commit bf267d0238
1 changed files with 8 additions and 0 deletions
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8
ir.c
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@ -1525,6 +1525,10 @@ ir_instr* ir_block_create_phi(ir_block *self, lex_ctx ctx, const char *label, in
{ {
ir_value *out; ir_value *out;
ir_instr *in; ir_instr *in;
if (self->final) {
irerror(self->context, "unreachable statement (%s)", self->label);
return false;
}
in = ir_instr_new(ctx, self, VINSTR_PHI); in = ir_instr_new(ctx, self, VINSTR_PHI);
if (!in) if (!in)
return NULL; return NULL;
@ -1570,6 +1574,10 @@ ir_instr* ir_block_create_call(ir_block *self, lex_ctx ctx, const char *label, i
{ {
ir_value *out; ir_value *out;
ir_instr *in; ir_instr *in;
if (self->final) {
irerror(self->context, "unreachable statement (%s)", self->label);
return false;
}
in = ir_instr_new(ctx, self, (noreturn ? VINSTR_NRCALL : INSTR_CALL0)); in = ir_instr_new(ctx, self, (noreturn ? VINSTR_NRCALL : INSTR_CALL0));
if (!in) if (!in)
return NULL; return NULL;