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Fix PHI barrier in BUFPUT FOLD rule.

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Mike Pall 2013-04-22 22:37:22 +02:00
parent a2c78810ca
commit 1ae3e5204b
1 changed files with 2 additions and 2 deletions
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4
src/lj_opt_fold.c
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@ -547,8 +547,8 @@ LJFOLDF(bufput_kgc)
if (len2 == 0) { /* Empty string? */
return LEFTFOLD;
} else {
PHIBARRIER(fleft);
if (fleft->o == IR_BUFPUT && IR(fleft->op2)->o == IR_KGC) {
if (fleft->o == IR_BUFPUT && IR(fleft->op2)->o == IR_KGC &&
!irt_isphi(fleft->t)) {
/* Join two constant string puts in a row. */
GCstr *s1 = ir_kstr(IR(fleft->op2));
MSize len1 = s1->len;