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-rw-r--r--src/cmd/gc/esc.c9
-rw-r--r--src/cmd/gc/go.h2
-rw-r--r--src/cmd/gc/lex.c15
3 files changed, 15 insertions, 11 deletions
diff --git a/src/cmd/gc/esc.c b/src/cmd/gc/esc.c
index 7e20457d9a..2614b5f356 100644
--- a/src/cmd/gc/esc.c
+++ b/src/cmd/gc/esc.c
@@ -59,7 +59,7 @@ static int dstcount, edgecount; // diagnostic
static NodeList* noesc; // list of possible non-escaping nodes, for printing
void
-escapes(void)
+escapes(NodeList *all)
{
NodeList *l;
@@ -70,9 +70,10 @@ escapes(void)
theSink.escloopdepth = -1;
safetag = strlit("noescape");
+ noesc = nil;
- // flow-analyze top level functions
- for(l=xtop; l; l=l->next)
+ // flow-analyze functions
+ for(l=all; l; l=l->next)
if(l->n->op == ODCLFUNC || l->n->op == OCLOSURE)
escfunc(l->n);
@@ -84,7 +85,7 @@ escapes(void)
escflood(l->n);
// for all top level functions, tag the typenodes corresponding to the param nodes
- for(l=xtop; l; l=l->next)
+ for(l=all; l; l=l->next)
if(l->n->op == ODCLFUNC)
esctag(l->n);
diff --git a/src/cmd/gc/go.h b/src/cmd/gc/go.h
index fcbea2cd90..81be4d25b1 100644
--- a/src/cmd/gc/go.h
+++ b/src/cmd/gc/go.h
@@ -955,7 +955,7 @@ NodeList* variter(NodeList *vl, Node *t, NodeList *el);
/*
* esc.c
*/
-void escapes(void);
+void escapes(NodeList*);
/*
* export.c
diff --git a/src/cmd/gc/lex.c b/src/cmd/gc/lex.c
index e880b2f34c..924865b939 100644
--- a/src/cmd/gc/lex.c
+++ b/src/cmd/gc/lex.c
@@ -186,7 +186,7 @@ int
main(int argc, char *argv[])
{
int i, c;
- NodeList *l;
+ NodeList *l, *batch;
char *p;
#ifdef SIGBUS
@@ -390,7 +390,7 @@ main(int argc, char *argv[])
// Phase 5: escape analysis.
if(!debug['N'])
- escapes();
+ escapes(xtop);
// Phase 6: Compile top level functions.
for(l=xtop; l; l=l->next)
@@ -401,14 +401,17 @@ main(int argc, char *argv[])
fninit(xtop);
// Phase 6b: Compile all closures.
+ // Can generate more closures, so run in batches.
while(closures) {
- l = closures;
+ batch = closures;
closures = nil;
- for(; l; l=l->next) {
- if (debug['l'])
+ if(debug['l'])
+ for(l=batch; l; l=l->next)
inlcalls(l->n);
+ if(!debug['N'])
+ escapes(batch);
+ for(l=batch; l; l=l->next)
funccompile(l->n, 1);
- }
}
// Phase 7: check external declarations.