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[qfcc] Ensure ops on globals occur before return
This fixes the return-postop test, and covers calls, too.
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parent
bbac02de24
commit
ca818eaff8
2 changed files with 14 additions and 3 deletions
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@ -450,7 +450,8 @@ dagnode_set_edges (dag_t *dag, dagnode_t *n)
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if (n->type == st_func) {
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const char *num_params = 0;
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int first_param = 0;
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flowvar_t **flowvars = dag->flownode->graph->func->vars;
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function_t *func = dag->flownode->graph->func;
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flowvar_t **flowvars = func->vars;
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if (!strncmp (n->label->opcode, "<RCALL", 6)) {
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num_params = n->label->opcode + 6;
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@ -468,6 +469,17 @@ dagnode_set_edges (dag_t *dag, dagnode_t *n)
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}
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label->live = 1;
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}
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// ensure all operantions on global variables are completed before
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// the st_func statement executes
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for (set_iter_t *g = set_first (func->global_vars); g;
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g = set_next (g)) {
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flowvar_t *var = flowvars[g->element];
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dagnode_t *gn = dag_node (var->op);
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if (gn) {
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set_add (n->edges, gn->number);
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set_remove (gn->edges, n->number);
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}
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}
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if (num_params && isdigit (*num_params)) {
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for (i = first_param; i < *num_params - '0'; i++) {
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flowvar_t *var = flowvars[i + 1];
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@ -63,8 +63,7 @@ test_progs_dat=\
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tools/qfcc/test/while.dat \
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tools/qfcc/test/zerolinker.dat
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fail_progs_dat=\
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tools/qfcc/test/return-postop.dat
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fail_progs_dat=
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test_build_errors=\
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tools/qfcc/test/classarray.r \
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