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First implementation of constant propagation

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Local constant variables initialized with compile-time constants
are optimized away from the code.
This commit is contained in:
Roberto Ierusalimschy
2019-07-12 11:38:42 -03:00
parent be8445d7e4
commit f6aab3ec1f
12 changed files with 249 additions and 119 deletions
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ldump.c
+1 -1
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@@ -149,7 +149,7 @@ static void DumpUpvalues (const Proto *f, DumpState *D) {
for (i = 0; i < n; i++) {
DumpByte(f->upvalues[i].instack, D);
DumpByte(f->upvalues[i].idx, D);
DumpByte(f->upvalues[i].ro, D);
DumpByte(f->upvalues[i].kind, D);
}
}