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| author | Quentin Carbonneaux <quentin.carbonneaux@yale.edu> | 2016-04-18 13:25:32 -0400 |
|---|---|---|
| committer | Quentin Carbonneaux <quentin.carbonneaux@yale.edu> | 2016-04-18 13:25:32 -0400 |
| commit | b8709501f944cb6421c6b4c447acfe8870c4ccc1 (patch) | |
| tree | 11f0071982f643530a466881b11ab30cf588f66b | |
| parent | 47a0556a16e197246df78e341b820012b885d0bd (diff) | |
| download | roux-b8709501f944cb6421c6b4c447acfe8870c4ccc1.tar.gz | |
do not rewrite overwritten slots in memopt
| -rw-r--r-- | mem.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/mem.c b/mem.c index b94f0a7..c59d7fe 100644 --- a/mem.c +++ b/mem.c @@ -43,6 +43,8 @@ memopt(Fn *fn) /* specific to NAlign == 3 */ assert(rtype(i->to) == RTmp); t = &fn->tmp[i->to.val]; + if (t->ndef != 1) + goto Skip; k = -1; s = -1; for (u=t->use; u != &t->use[t->nuse]; u++) { |