mirror of
https://github.com/c3lang/c3c.git
synced 2026-02-27 12:01:16 +00:00
60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
// #target: macos-x64
|
|
|
|
extern fn char*! readLine();
|
|
extern fn int! atoi(char*);
|
|
|
|
extern fn int printf(char* fmt, ...);
|
|
|
|
fn void main()
|
|
{
|
|
int val;
|
|
if (try val = atoi(readLine()))
|
|
{
|
|
printf("You typed the number %d\n", val);
|
|
return;
|
|
}
|
|
printf("You didn't type an integer :(\n");
|
|
}
|
|
|
|
/* #expect: try_with_chained_unwrap.ll
|
|
|
|
|
|
define void @try_with_chained_unwrap.main() #0 {
|
|
entry:
|
|
%val = alloca i32, align 4
|
|
%retparam = alloca i32, align 4
|
|
%retparam1 = alloca ptr, align 8
|
|
store i32 0, ptr %val, align 4
|
|
%0 = call i64 @readLine(ptr %retparam1)
|
|
%not_err = icmp eq i64 %0, 0
|
|
%1 = call i1 @llvm.expect.i1(i1 %not_err, i1 true)
|
|
br i1 %1, label %after_check, label %catch_landing
|
|
|
|
after_check: ; preds = %entry
|
|
%2 = load ptr, ptr %retparam1, align 8
|
|
%3 = call i64 @atoi(ptr %retparam, ptr %2)
|
|
%not_err2 = icmp eq i64 %3, 0
|
|
%4 = call i1 @llvm.expect.i1(i1 %not_err2, i1 true)
|
|
br i1 %4, label %after_check3, label %catch_landing
|
|
|
|
after_check3: ; preds = %after_check
|
|
%5 = load i32, ptr %retparam, align 4
|
|
store i32 %5, ptr %val, align 4
|
|
br label %phi_try_catch
|
|
|
|
catch_landing: ; preds = %after_check, %entry
|
|
br label %phi_try_catch
|
|
|
|
phi_try_catch: ; preds = %catch_landing, %after_check3
|
|
%val4 = phi i1 [ true, %after_check3 ], [ false, %catch_landing ]
|
|
br i1 %val4, label %if.then, label %if.exit
|
|
|
|
if.then: ; preds = %phi_try_catch
|
|
%6 = load i32, ptr %val, align 4
|
|
%7 = call i32 (ptr, ...) @printf(ptr @.str, i32 %6)
|
|
ret void
|
|
|
|
if.exit: ; preds = %phi_try_catch
|
|
%8 = call i32 (ptr, ...) @printf(ptr @.str.1)
|
|
ret void
|
|
}
|