forked from NUDT-compiler/nudt-compiler-cpp
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
1.2 KiB
49 lines
1.2 KiB
declare i32 @getint()
|
|
declare float @getfloat()
|
|
declare i32 @getarray(i32* %arg.a)
|
|
declare i32 @getfarray(float* %arg.a)
|
|
declare i32 @getch()
|
|
declare void @putint(i32 %arg.x)
|
|
declare void @putfloat(float %arg.x)
|
|
declare void @putarray(i32 %arg.n, i32* %arg.a)
|
|
declare void @putfarray(i32 %arg.n, float* %arg.a)
|
|
declare void @putch(i32 %arg.x)
|
|
declare void @starttime()
|
|
declare void @stoptime()
|
|
define void @reverse(i32 %arg.n) {
|
|
entry:
|
|
%t0 = alloca i32
|
|
store i32 %arg.n, i32* %t0
|
|
%t1 = alloca i32
|
|
store i32 0, i32* %t1
|
|
%t2 = load i32, i32* %t0
|
|
%t3 = icmp sle i32 %t2, 1
|
|
%t4 = icmp ne i32 %t3, 0
|
|
br i1 %t4, label %if.then.1, label %if.else.3
|
|
if.then.1:
|
|
%t5 = call i32 @getint()
|
|
store i32 %t5, i32* %t1
|
|
%t6 = load i32, i32* %t1
|
|
call void @putint(i32 %t6)
|
|
br label %if.end.2
|
|
if.end.2:
|
|
ret void
|
|
if.else.3:
|
|
%t8 = call i32 @getint()
|
|
store i32 %t8, i32* %t1
|
|
%t9 = load i32, i32* %t0
|
|
%t10 = sub i32 %t9, 1
|
|
call void @reverse(i32 %t10)
|
|
%t12 = load i32, i32* %t1
|
|
call void @putint(i32 %t12)
|
|
br label %if.end.2
|
|
}
|
|
define i32 @main() {
|
|
entry:
|
|
%t14 = alloca i32
|
|
store i32 200, i32* %t14
|
|
%t15 = load i32, i32* %t14
|
|
call void @reverse(i32 %t15)
|
|
ret i32 0
|
|
}
|