Author: laijx
Date: 2011-02-23 22:22:37 -0500 (Wed, 23 Feb 2011)
New Revision: 3490
Modified:
trunk/osprey/be/opt/opt_htable_emit.cxx
Log:
Fix an segmentation fault in WHIRL SSA in compiling openmp case. When a
PU is created by BE (like openmp parallel region), the WHIRL_SSA_MANAGER
pointer is NULL for this BE. We need to create a new one before using
it.
CR by Sun.
Modified: trunk/osprey/be/opt/opt_htable_emit.cxx
===================================================================
--- trunk/osprey/be/opt/opt_htable_emit.cxx 2011-02-22 18:12:09 UTC (rev
3489)
+++ trunk/osprey/be/opt/opt_htable_emit.cxx 2011-02-24 03:22:37 UTC (rev
3490)
@@ -415,7 +415,16 @@
// WHIRL SSA
if (OPT_Enable_WHIRL_SSA) {
- WSSA::WHIRL_SSA_MANAGER *wssa_mgr = PU_Info_ssa_ptr(Current_PU_Info);
+ WSSA::WHIRL_SSA_MANAGER *wssa_mgr = NULL;
+ if (PU_Info_state(Current_PU_Info, WT_SSA) == Subsect_InMem) {
+ wssa_mgr = PU_Info_ssa_ptr(Current_PU_Info);
+ }
+ else {
+ wssa_mgr = new WSSA::WHIRL_SSA_MANAGER(MEM_pu_nz_pool_ptr);
+ Set_PU_Info_ssa_ptr(Current_PU_Info, wssa_mgr);
+ Set_PU_Info_state(Current_PU_Info, WT_SSA, Subsect_InMem);
+ }
+
_wssa_emitter = CXX_NEW(WHIRL_SSA_EMITTER(wssa_mgr, _opt_stab,
_wn_to_cr_map), _mem_pool);
// dump code rep and SSA tree before emitter.
------------------------------------------------------------------------------
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