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flow.c (calculate_global_regs_live): Skip for_each_successor_phi if not in SSA form.

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* flow.c (calculate_global_regs_live): Skip for_each_successor_phi
        if not in SSA form.

From-SVN: r33597
This commit is contained in:
Richard Henderson 2000-05-01 17:02:24 -07:00 committed by Richard Henderson
parent 8be9eb00e5
commit 1868a0d4da
2 changed files with 5 additions and 3 deletions
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3
gcc/ChangeLog
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@ -2,7 +2,8 @@
* calls.c (expand_call): Don't emit reg notes for a sibcall.
2000-05-01 Richard Henderson <rth@cygnus.com>
* flow.c (calculate_global_regs_live): Skip for_each_successor_phi
if not in SSA form.
* ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.

5
gcc/flow.c
View File

@ -3086,8 +3086,9 @@ calculate_global_regs_live (blocks_in, blocks_out, flags)
global_live_at_start, since they are live only along a
particular edge. Set those regs that are live because of a
phi node alternative corresponding to this particular block. */
for_each_successor_phi (bb, &set_phi_alternative_reg,
new_live_at_end);
if (in_ssa_form)
for_each_successor_phi (bb, &set_phi_alternative_reg,
new_live_at_end);
if (bb == ENTRY_BLOCK_PTR)
{