Support (void)foo for any type.

2026-02-27 20:11:17 +00:00 · 2023-02-13 13:52:48 +01:00
parent 5e457be605
commit 3cfef690d3
6 changed files with 161 additions and 32 deletions
--- a/test/test_suite/expressions/casts/void_casting.c3
+++ b/test/test_suite/expressions/casts/void_casting.c3
@@ -0,0 +1,88 @@
+// #target: macos-x64
+module test;
+
+fn void! foo()
+{}
+
+fault Abc { AAA }
+
+macro int! bar()
+{
+	return Abc.AAA!;
+}
+
+fn int! baz()
+{
+	return 2;
+}
+
+fn int main()
+{
+	int x;
+	int! y;
+	(void)x;
+	(void)y;
+	(void)foo();
+	(void)bar();
+	(void)(bar() + 1);
+	(void)baz();
+	(void)(baz() + 1);
+	return 1;
+}
+
+/* #expect: test.ll
+define i32 @main() #0 {
+entry:
+  %x = alloca i32, align 4
+  %y = alloca i32, align 4
+  %y.f = alloca i64, align 8
+  %retparam = alloca i32, align 4
+  %retparam9 = alloca i32, align 4
+  store i32 0, ptr %x, align 4
+  store i64 0, ptr %y.f, align 8
+  store i32 0, ptr %y, align 4
+  %0 = load i32, ptr %x, align 4
+  %optval = load i64, ptr %y.f, align 8
+  %not_err = icmp eq i64 %optval, 0
+  br i1 %not_err, label %after_check, label %end_block
+
+after_check:                                      ; preds = %entry
+  %1 = load i32, ptr %y, align 4
+  br label %end_block
+
+end_block:                                        ; preds = %after_check, %entry
+  %2 = call i64 @test_foo()
+  %not_err1 = icmp eq i64 %2, 0
+  br i1 %not_err1, label %after_check2, label %end_block3
+
+after_check2:                                     ; preds = %end_block
+  br label %end_block3
+
+end_block3:                                       ; preds = %after_check2, %end_block
+  br label %end_block4
+
+end_block4:                                       ; preds = %end_block3
+  br label %end_block5
+
+end_block5:                                       ; preds = %end_block4
+  %3 = call i64 @test_baz(ptr %retparam)
+  %not_err6 = icmp eq i64 %3, 0
+  br i1 %not_err6, label %after_check7, label %end_block8
+
+after_check7:                                     ; preds = %end_block5
+  %4 = load i32, ptr %retparam, align 4
+  br label %end_block8
+
+end_block8:                                       ; preds = %after_check7, %end_block5
+  %5 = call i64 @test_baz(ptr %retparam9)
+  %not_err10 = icmp eq i64 %5, 0
+  br i1 %not_err10, label %after_check11, label %end_block12
+
+after_check11:                                    ; preds = %end_block8
+  %6 = load i32, ptr %retparam9, align 4
+  %add = add i32 %6, 1
+  br label %end_block12
+
+end_block12:                                      ; preds = %after_check11, %end_block8
+  ret i32 1
+}