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Improve assertions.

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This commit is contained in:
Mike Pall
2020-06-13 00:52:54 +02:00
parent 8b55054473
commit 8ae5170cdc
71 changed files with 1363 additions and 927 deletions
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5
src/lj_opt_loop.c
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@@ -299,7 +299,8 @@ static void loop_unroll(LoopState *lps)
loopmap = &J->cur.snapmap[loopsnap->mapofs];
/* The PC of snapshot #0 and the loop snapshot must match. */
psentinel = &loopmap[loopsnap->nent];
lua_assert(*psentinel == J->cur.snapmap[J->cur.snap[0].nent]);
lj_assertJ(*psentinel == J->cur.snapmap[J->cur.snap[0].nent],
"mismatched PC for loop snapshot");
*psentinel = SNAP(255, 0, 0); /* Replace PC with temporary sentinel. */
/* Start substitution with snapshot #1 (#0 is empty for root traces). */
@@ -372,7 +373,7 @@ static void loop_unroll(LoopState *lps)
}
if (!irt_isguard(J->guardemit)) /* Drop redundant snapshot. */
J->cur.nsnapmap = (uint32_t)J->cur.snap[--J->cur.nsnap].mapofs;
lua_assert(J->cur.nsnapmap <= J->sizesnapmap);
lj_assertJ(J->cur.nsnapmap <= J->sizesnapmap, "bad snapshot map index");
*psentinel = J->cur.snapmap[J->cur.snap[0].nent]; /* Restore PC. */
loop_emit_phi(J, subst, phi, nphi, onsnap);