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[LANG] Fix gep bug in INC

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This commit is contained in:
Yan Da
2020-12-09 14:36:00 +08:00
committed by Philippe Tillet
parent e9b2335224
commit 01ef691b84
1 changed files with 3 additions and 2 deletions
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5
lib/lang/code_gen.cc
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@@ -203,11 +203,12 @@ ir::value* Generator::GenUnaryInc(UnaryOp* expr, bool is_postfix,
else else
instr = bld_->create_sub(arg, _1); instr = bld_->create_sub(arg, _1);
} else if (arg->get_type()->is_pointer_ty()) { } else if (arg->get_type()->is_pointer_ty()) {
_1 = ir::constant_int::get(arg->get_type(), 1); ir::type *ty = ir::type::get_int64_ty(*ctx_);
_1 = ir::constant_int::get(ty, 1);
if (is_inc) if (is_inc)
instr = bld_->create_gep(arg, {_1}); instr = bld_->create_gep(arg, {_1});
else { else {
ir::value *neg_1 = ir::constant_int::get(arg->get_type(), -1); ir::value *neg_1 = ir::constant_int::get(ty, -1);
instr = bld_->create_gep(arg, {neg_1}); instr = bld_->create_gep(arg, {neg_1});
} }
} else } else