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IR: support unwrap maybe operation

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This commit is contained in:
Andrew Kelley
2016-11-21 03:08:24 -05:00
parent b47e2fa060
commit 71d95c6597
5 changed files with 317 additions and 302 deletions
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src/ir_print.cpp
+20
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@@ -497,6 +497,20 @@ static void ir_print_size_of(IrPrint *irp, IrInstructionSizeOf *instruction) {
fprintf(irp->f, ")");
}
static void ir_print_test_null(IrPrint *irp, IrInstructionTestNull *instruction) {
fprintf(irp->f, "*");
ir_print_other_instruction(irp, instruction->value);
fprintf(irp->f, " == null");
}
static void ir_print_unwrap_maybe(IrPrint *irp, IrInstructionUnwrapMaybe *instruction) {
fprintf(irp->f, "&??*");
ir_print_other_instruction(irp, instruction->value);
if (!instruction->safety_check_on) {
fprintf(irp->f, " // no safety");
}
}
static void ir_print_instruction(IrPrint *irp, IrInstruction *instruction) {
ir_print_prefix(irp, instruction);
switch (instruction->id) {
@@ -592,6 +606,12 @@ static void ir_print_instruction(IrPrint *irp, IrInstruction *instruction) {
case IrInstructionIdSizeOf:
ir_print_size_of(irp, (IrInstructionSizeOf *)instruction);
break;
case IrInstructionIdTestNull:
ir_print_test_null(irp, (IrInstructionTestNull *)instruction);
break;
case IrInstructionIdUnwrapMaybe:
ir_print_unwrap_maybe(irp, (IrInstructionUnwrapMaybe *)instruction);
break;
case IrInstructionIdSwitchBr:
zig_panic("TODO print more IR instructions");
}