diff options
Diffstat (limited to 'src/stage1/codegen.cpp')
| -rw-r--r-- | src/stage1/codegen.cpp | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/src/stage1/codegen.cpp b/src/stage1/codegen.cpp index 359af18e82..c44081c770 100644 --- a/src/stage1/codegen.cpp +++ b/src/stage1/codegen.cpp @@ -3831,10 +3831,14 @@ static LLVMValueRef ir_render_load_ptr(CodeGen *g, Stage1Air *executable, LLVMValueRef shift_amt_val = LLVMConstInt(LLVMTypeOf(containing_int), shift_amt, false); LLVMValueRef shifted_value = LLVMBuildLShr(g->builder, containing_int, shift_amt_val, ""); + LLVMTypeRef same_size_int = LLVMIntType(size_in_bits); + LLVMValueRef mask = LLVMConstAllOnes(LLVMIntType(size_in_bits)); + mask = LLVMConstZExt(mask, LLVMTypeOf(containing_int)); + LLVMValueRef masked_value = LLVMBuildAnd(g->builder, shifted_value, mask, ""); + if (handle_is_ptr(g, child_type)) { LLVMValueRef result_loc = ir_llvm_value(g, instruction->result_loc); - LLVMTypeRef same_size_int = LLVMIntType(size_in_bits); - LLVMValueRef truncated_int = LLVMBuildTrunc(g->builder, shifted_value, same_size_int, ""); + LLVMValueRef truncated_int = LLVMBuildTrunc(g->builder, masked_value, same_size_int, ""); LLVMValueRef bitcasted_ptr = LLVMBuildBitCast(g->builder, result_loc, LLVMPointerType(same_size_int, 0), ""); LLVMBuildStore(g->builder, truncated_int, bitcasted_ptr); @@ -3842,12 +3846,11 @@ static LLVMValueRef ir_render_load_ptr(CodeGen *g, Stage1Air *executable, } if (child_type->id == ZigTypeIdFloat) { - LLVMTypeRef same_size_int = LLVMIntType(size_in_bits); - LLVMValueRef truncated_int = LLVMBuildTrunc(g->builder, shifted_value, same_size_int, ""); + LLVMValueRef truncated_int = LLVMBuildTrunc(g->builder, masked_value, same_size_int, ""); return LLVMBuildBitCast(g->builder, truncated_int, get_llvm_type(g, child_type), ""); } - return LLVMBuildTrunc(g->builder, shifted_value, get_llvm_type(g, child_type), ""); + return LLVMBuildTrunc(g->builder, masked_value, get_llvm_type(g, child_type), ""); } static bool value_is_all_undef_array(CodeGen *g, ZigValue *const_val, size_t len) { |