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.
100 lines
2.8 KiB
100 lines
2.8 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 float @myabs(float %arg.num) {
|
|
entry:
|
|
%t0 = alloca float
|
|
store float %arg.num, float* %t0
|
|
%t1 = load float, float* %t0
|
|
%t2 = fcmp ogt float %t1, 0x0000000000000000
|
|
%t3 = zext i1 %t2 to i32
|
|
%t4 = icmp ne i32 %t3, 0
|
|
br i1 %t4, label %if.then.1, label %if.end.2
|
|
if.then.1:
|
|
%t5 = load float, float* %t0
|
|
ret float %t5
|
|
if.end.2:
|
|
%t6 = load float, float* %t0
|
|
%t7 = fcmp olt float %t6, 0x0000000000000000
|
|
%t8 = zext i1 %t7 to i32
|
|
%t9 = icmp ne i32 %t8, 0
|
|
br i1 %t9, label %if.then.3, label %if.end.4
|
|
if.then.3:
|
|
%t10 = load float, float* %t0
|
|
%t11 = fsub float 0x0000000000000000, %t10
|
|
ret float %t11
|
|
if.end.4:
|
|
ret float 0x0000000000000000
|
|
}
|
|
define float @func(float %arg.data, i32 %arg.num) {
|
|
entry:
|
|
%t12 = alloca float
|
|
store float %arg.data, float* %t12
|
|
%t13 = alloca i32
|
|
store i32 %arg.num, i32* %t13
|
|
%t14 = load i32, i32* %t13
|
|
%t15 = icmp slt i32 %t14, 0
|
|
%t16 = zext i1 %t15 to i32
|
|
%t17 = icmp ne i32 %t16, 0
|
|
br i1 %t17, label %if.then.5, label %if.end.6
|
|
if.then.5:
|
|
ret float 0x0000000000000000
|
|
if.end.6:
|
|
%t18 = load i32, i32* %t13
|
|
%t19 = sub i32 %t18, 1
|
|
store i32 %t19, i32* %t13
|
|
%t20 = load float, float* %t12
|
|
%t21 = load float, float* %t12
|
|
%t22 = load i32, i32* %t13
|
|
%t23 = call float @func(float %t21, i32 %t22)
|
|
%t24 = fadd float %t20, %t23
|
|
store float %t24, float* %t12
|
|
%t25 = load float, float* %t12
|
|
%t26 = load float, float* %t12
|
|
%t27 = load i32, i32* %t13
|
|
%t28 = call float @func(float %t26, i32 %t27)
|
|
%t29 = fsub float %t25, %t28
|
|
store float %t29, float* %t12
|
|
%t30 = load float, float* %t12
|
|
ret float %t30
|
|
}
|
|
define i32 @main() {
|
|
entry:
|
|
%t32 = alloca float
|
|
%t33 = alloca i32
|
|
%t35 = alloca float
|
|
%t36 = alloca float
|
|
call void @starttime()
|
|
store float 0x3FF00418A0000000, float* %t32
|
|
%t34 = call i32 @getint()
|
|
store i32 %t34, i32* %t33
|
|
store float 0x0000000000000000, float* %t35
|
|
store float 0x3FF00418A0000000, float* %t36
|
|
%t37 = load float, float* %t32
|
|
%t38 = load i32, i32* %t33
|
|
%t39 = call float @func(float %t37, i32 %t38)
|
|
store float %t39, float* %t35
|
|
%t40 = load float, float* %t35
|
|
%t41 = load float, float* %t36
|
|
%t42 = fsub float %t40, %t41
|
|
%t43 = fcmp oeq float %t42, 0x0000000000000000
|
|
%t44 = zext i1 %t43 to i32
|
|
%t45 = icmp ne i32 %t44, 0
|
|
br i1 %t45, label %if.then.7, label %if.end.8
|
|
if.then.7:
|
|
call void @putch(i32 112)
|
|
br label %if.end.8
|
|
if.end.8:
|
|
call void @stoptime()
|
|
ret i32 0
|
|
}
|