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Merge pull request #59 from Uraniumm/canary_experimental

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Add nullptr check in CheckScalarConstCmp
This commit is contained in:
Radosław Gliński
2022-08-08 19:47:35 +02:00
committed by GitHub
parent 3ac99e0d7d a16acbaf59
commit 2f59487bf3
1 changed files with 4 additions and 1 deletions
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3
src/xenia/cpu/compiler/passes/simplification_pass.cc
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@@ -796,8 +796,11 @@ bool SimplificationPass::CheckScalarConstCmp(hir::Instr* i,
if (var_definition) { if (var_definition) {
var_definition = var_definition->GetDestDefSkipAssigns(); var_definition = var_definition->GetDestDefSkipAssigns();
if (var_definition != NULL)
{
def_opcode = var_definition->opcode->num; def_opcode = var_definition->opcode->num;
} }
}
// x == 0 -> !x // x == 0 -> !x
if (cmpop == OPCODE_COMPARE_EQ && constant_unpacked == 0) { if (cmpop == OPCODE_COMPARE_EQ && constant_unpacked == 0) {
i->Replace(&OPCODE_IS_FALSE_info, 0); i->Replace(&OPCODE_IS_FALSE_info, 0);