compile/example.out at master · mathematival/compile · GitHub

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declare i32 @getint()
declare i32 @getch()
declare float @getfloat()
declare i32 @getarray(ptr)
declare i32 @getfarray(ptr)
declare void @putint(i32)
declare void @putch(i32)
declare void @putfloat(float)
declare void @putarray(i32,ptr)
declare void @putfarray(i32,ptr)
declare void @_sysy_starttime(i32)
declare void @_sysy_stoptime(i32)
declare void @llvm.memset.p0.i32(ptr,i8,i32,i1)
declare i32 @llvm.umax.i32(i32,i32)
declare i32 @llvm.umin.i32(i32,i32)
declare i32 @llvm.smax.i32(i32,i32)
declare i32 @llvm.smin.i32(i32,i32)
define i32 @test1()
{
L0:  ;
    br label %L1
L1:  ;
    %r0 = call i32 @getint()
    %r1 = add i32 0,0
    %r2 = icmp eq i32 %r0,%r1
    br i1 %r2, label %L2, label %L3
L2:  ;
    %r3 = add i32 0,0
    ret i32 %r3
L3:  ;
    %r4 = call i32 @test1()
    ret i32 %r4
}
define i32 @gcd(i32 %r0,i32 %r1)
{
L0:  ;
    br label %L1
L1:  ;
    %r5 = add i32 0,0
    %r6 = icmp eq i32 %r1,%r5
    br i1 %r6, label %L2, label %L3
L2:  ;
    ret i32 %r0
L3:  ;
    %r11 = srem i32 %r0,%r1
    %r12 = call i32 @gcd(i32 %r1,i32 %r11)
    ret i32 %r12
}
define i32 @fact(i32 %r0)
{
L0:  ;
    br label %L1
L1:  ;
    %r3 = add i32 0,0
    %r4 = icmp eq i32 %r0,%r3
    br i1 %r4, label %L2, label %L3
L2:  ;
    %r5 = add i32 1,0
    ret i32 %r5
L3:  ;
    %r8 = add i32 1,0
    %r9 = sub i32 %r0,%r8
    %r10 = call i32 @fact(i32 %r9)
    %r11 = mul i32 %r0,%r10
    ret i32 %r11
}
define i32 @tail_fact(i32 %r0,i32 %r1)
{
L0:  ;
    br label %L1
L1:  ;
    %r5 = add i32 0,0
    %r6 = icmp eq i32 %r0,%r5
    br i1 %r6, label %L2, label %L3
L2:  ;
    ret i32 %r1
L3:  ;
    %r9 = add i32 1,0
    %r10 = sub i32 %r0,%r9
    %r13 = mul i32 %r0,%r1
    %r14 = call i32 @tail_fact(i32 %r10,i32 %r13)
    ret i32 %r14
}
define i32 @mixed(i32 %r0)
{
L0:  ;
    br label %L1
L1:  ;
    %r3 = add i32 0,0
    %r4 = icmp sle i32 %r0,%r3
    br i1 %r4, label %L2, label %L3
L2:  ;
    %r5 = add i32 0,0
    ret i32 %r5
L3:  ;
    %r7 = add i32 1,0
    %r8 = icmp eq i32 %r0,%r7
    br i1 %r8, label %L4, label %L5
L4:  ;
    %r9 = add i32 0,0
    %r10 = call i32 @mixed(i32 %r9)
    ret i32 %r10
L5:  ;
    %r12 = add i32 1,0
    %r13 = sub i32 %r0,%r12
    %r14 = call i32 @mixed(i32 %r13)
    %r15 = add i32 1,0
    %r16 = add i32 %r14,%r15
    ret i32 %r16
}
define i32 @main()
{
L0:  ;
    br label %L1
L1:  ;
    %r1 = add i32 5,0
    %r3 = add i32 1,0
    %r4 = call i32 @tail_fact(i32 %r1,i32 %r3)
    call void @putint(i32 %r4)
    %r5 = add i32 10,0
    call void @putch(i32 %r5)
    %r6 = add i32 18,0
    %r7 = add i32 12,0
    %r8 = call i32 @gcd(i32 %r6,i32 %r7)
    call void @putint(i32 %r8)
    %r9 = add i32 0,0
    ret i32 %r9
}