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8268882: C2: assert(n->outcnt() != 0 || C->top() == n || n->is_Proj()) failed: No dead instructions after post-alloc

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Reviewed-by: neliasso, chagedorn, kvn
This commit is contained in:
Rickard Bäckman 2021-11-09 21:38:12 +00:00
parent d7012fbd60
commit 0699220830
1 changed files with 1 additions and 1 deletions
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src/hotspot/share/opto/postaloc.cpp
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@ -611,7 +611,7 @@ void PhaseChaitin::post_allocate_copy_removal() {
if( phi != x && u != x ) // Found a different input if( phi != x && u != x ) // Found a different input
u = u ? NodeSentinel : x; // Capture unique input, or NodeSentinel for 2nd input u = u ? NodeSentinel : x; // Capture unique input, or NodeSentinel for 2nd input
} }
if (u != NodeSentinel) { // Junk Phi. Remove if (u != NodeSentinel || phi->outcnt() == 0) { // Junk Phi. Remove
phi->replace_by(u); phi->replace_by(u);
j -= yank_if_dead(phi, block, &value, &regnd); j -= yank_if_dead(phi, block, &value, &regnd);
phi_dex--; phi_dex--;