ed/Odin
1
0
Fork 0
mirror of https://github.com/Ed94/Odin.git synced 2026-06-22 21:54:59 -07:00
Code Issues Packages Projects Releases Wiki Activity

Change >> behaviour in LLVM to prevent stupid UB

Browse Source
This commit is contained in:
gingerBill
2021-03-30 20:38:04 +01:00
parent fbd01660ee
commit 3359d0323a
2 changed files with 7 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/ir.cpp
+3 -4
View File
@@ -4642,7 +4642,6 @@ handle_op:
irValue *bit_size = ir_value_constant(type, exact_value_i64(8*type_size_of(type)));
irValue *width_test = ir_emit(proc, ir_instr_binary_op(proc, Token_Lt, bits, bit_size, t_llvm_bool));
irValue *zero = ir_value_constant(type, exact_value_i64(0));
irValue *res = ir_emit(proc, ir_instr_binary_op(proc, op, left, bits, type));
return ir_emit_select(proc, width_test, res, zero);
@@ -4656,11 +4655,11 @@ handle_op:
irValue *bits = right;
irValue *bit_size = ir_value_constant(type, exact_value_i64(8*type_size_of(type)));
irValue *max = ir_value_constant(type, exact_value_i64(8*type_size_of(type)-1));
irValue *width_test = ir_emit(proc, ir_instr_binary_op(proc, Token_Lt, bits, bit_size, t_llvm_bool));
bits = ir_emit_select(proc, width_test, bits, max);
return ir_emit(proc, ir_instr_binary_op(proc, op, left, bits, type));
irValue *zero = ir_value_constant(type, exact_value_i64(0));
irValue *res = ir_emit(proc, ir_instr_binary_op(proc, op, left, bits, type));
return ir_emit_select(proc, width_test, res, zero);
}
case Token_AndNot: {