mirror of
https://github.com/c3lang/c3c.git
synced 2026-02-27 12:01:16 +00:00
103 lines
2.4 KiB
C
103 lines
2.4 KiB
C
// #target: macos-x64
|
|
|
|
module test;
|
|
import std::io;
|
|
fault Foo
|
|
{
|
|
MY_VAL1,
|
|
MY_VAL2,
|
|
}
|
|
|
|
struct Bar
|
|
{
|
|
int x;
|
|
}
|
|
|
|
fn void! test1() @maydiscard
|
|
{
|
|
Bar! x = Foo.MY_VAL1!;
|
|
Bar y = x?;
|
|
}
|
|
|
|
fn void! test2() @maydiscard
|
|
{
|
|
Bar! x = {};
|
|
Bar y = x?;
|
|
}
|
|
|
|
fn void main()
|
|
{
|
|
test1();
|
|
test2();
|
|
}
|
|
|
|
/* #expect: test.ll
|
|
|
|
define i64 @test.test1() #0 {
|
|
entry:
|
|
%x = alloca %Bar, align 4
|
|
%x.f = alloca i64, align 8
|
|
%y = alloca %Bar, align 4
|
|
%error_var = alloca i64, align 8
|
|
%reterr = alloca i64, align 8
|
|
store i64 ptrtoint (ptr @"test.Foo$MY_VAL1" to i64), ptr %x.f, align 8
|
|
%optval = load i64, ptr %x.f, align 8
|
|
%not_err = icmp eq i64 %optval, 0
|
|
%0 = call i1 @llvm.expect.i1(i1 %not_err, i1 true)
|
|
br i1 %0, label %after_check, label %assign_optional
|
|
|
|
assign_optional: ; preds = %entry
|
|
store i64 %optval, ptr %error_var, align 8
|
|
br label %guard_block
|
|
|
|
after_check: ; preds = %entry
|
|
br label %noerr_block
|
|
|
|
guard_block: ; preds = %assign_optional
|
|
%1 = load i64, ptr %error_var, align 8
|
|
ret i64 %1
|
|
|
|
noerr_block: ; preds = %after_check
|
|
call void @llvm.memcpy.p0.p0.i32(ptr align 4 %y, ptr align 4 %x, i32 4, i1 false)
|
|
ret i64 0
|
|
}
|
|
|
|
; Function Attrs: nounwind
|
|
define i64 @test.test2() #0 {
|
|
entry:
|
|
%x = alloca %Bar, align 4
|
|
%x.f = alloca i64, align 8
|
|
%y = alloca %Bar, align 4
|
|
%error_var = alloca i64, align 8
|
|
%reterr = alloca i64, align 8
|
|
store i32 0, ptr %x, align 4
|
|
store i64 0, ptr %x.f, align 8
|
|
%optval = load i64, ptr %x.f, align 8
|
|
%not_err = icmp eq i64 %optval, 0
|
|
%0 = call i1 @llvm.expect.i1(i1 %not_err, i1 true)
|
|
br i1 %0, label %after_check, label %assign_optional
|
|
|
|
assign_optional: ; preds = %entry
|
|
store i64 %optval, ptr %error_var, align 8
|
|
br label %guard_block
|
|
|
|
after_check: ; preds = %entry
|
|
br label %noerr_block
|
|
|
|
guard_block: ; preds = %assign_optional
|
|
%1 = load i64, ptr %error_var, align 8
|
|
ret i64 %1
|
|
|
|
noerr_block: ; preds = %after_check
|
|
call void @llvm.memcpy.p0.p0.i32(ptr align 4 %y, ptr align 4 %x, i32 4, i1 false)
|
|
ret i64 0
|
|
}
|
|
|
|
; Function Attrs: nounwind
|
|
define void @test.main() #0 {
|
|
entry:
|
|
%0 = call i64 @test.test1()
|
|
%1 = call i64 @test.test2()
|
|
ret void
|
|
}
|