#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */

/* Variables and functions */
int /*<<< orphan*/ printf(char *, ...);
int show(int a[][20], int c, int b) {
  int i, j;
  for (i = 0; i < c; i++) {
    for (j = 0; j < b; j++) {
      printf("%d ", a[i][j]);
    }
    printf("\n");
  }
}


x86 assembly (clang, -O0):
<show>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x10(%rbp)
mov    %esi,-0x14(%rbp)
mov    %edx,-0x18(%rbp)
movl   $0x0,-0x1c(%rbp)
mov    -0x1c(%rbp),%eax
cmp    -0x14(%rbp),%eax
jge    1196 <show+0x86>
movl   $0x0,-0x20(%rbp)
mov    -0x20(%rbp),%eax
cmp    -0x18(%rbp),%eax
jge    117a <show+0x6a>
mov    -0x10(%rbp),%rax
movslq -0x1c(%rbp),%rcx
imul   $0x50,%rcx,%rcx
add    %rcx,%rax
movslq -0x20(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xe9b(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x20(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x20(%rbp)
jmp    113c <show+0x2c>
lea    0xe83(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x1c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x1c(%rbp)
jmp    1129 <show+0x19>
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<show>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
mov    %edx,0x4(%rsp)
test   %esi,%esi
jle    1199 <show+0x79>
mov    %rdi,%rbx
mov    %esi,%r15d
mov    0x4(%rsp),%ebp
lea    0xebc(%rip),%r12
xor    %r13d,%r13d
jmp    1167 <show+0x47>
nopl   0x0(%rax)
mov    $0xa,%edi
call   1030 <putchar@plt>
add    $0x1,%r13
add    $0x50,%rbx
cmp    %r15,%r13
je     1199 <show+0x79>
cmpl   $0x0,0x4(%rsp)
jle    1150 <show+0x30>
xor    %r14d,%r14d
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax,%rax,1)
mov    (%rbx,%r14,4),%esi
mov    %r12,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
add    $0x1,%r14
cmp    %r14,%rbp
jne    1180 <show+0x60>
jmp    1150 <show+0x30>
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [4 x i8] c"%d \00"
@.str.1 = [2 x i8] c"\0A\00"
define i32 @show([20 x i32]* %0, i32 %1, i32 %2) {
%4 = alloca i32
%5 = alloca [20 x i32]*
%6 = alloca i32
%7 = alloca i32
%8 = alloca i32
%9 = alloca i32
store [20 x i32]* %0, [20 x i32]** %5
store i32 %1, i32* %6
store i32 %2, i32* %7
store i32 0, i32* %8
br label %10
10: ; preds = %34, %3
%11 = load i32, i32* %8
%12 = load i32, i32* %6
%13 = icmp slt i32 %11, %12
br i1 %13, label %14, label %37
14: ; preds = %10
store i32 0, i32* %9
br label %15
15: ; preds = %29, %14
%16 = load i32, i32* %9
%17 = load i32, i32* %7
%18 = icmp slt i32 %16, %17
br i1 %18, label %19, label %32
19: ; preds = %15
%20 = load [20 x i32]*, [20 x i32]** %5
%21 = load i32, i32* %8
%22 = sext i32 %21 to i64
%23 = getelementptr inbounds [20 x i32], [20 x i32]* %20, i64 %22
%24 = load i32, i32* %9
%25 = sext i32 %24 to i64
%26 = getelementptr inbounds [20 x i32], [20 x i32]* %23, i64 0, i64 %25
%27 = load i32, i32* %26
%28 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %27)
br label %29
29: ; preds = %19
%30 = load i32, i32* %9
%31 = add nsw i32 %30, 1
store i32 %31, i32* %9
br label %15
32: ; preds = %15
%33 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
br label %34
34: ; preds = %32
%35 = load i32, i32* %8
%36 = add nsw i32 %35, 1
store i32 %36, i32* %8
br label %10
37: ; preds = %10
%38 = load i32, i32* %4
ret i32 %38
}

LLVM IR (-O2):
@.str = [4 x i8] c"%d \00"
define i32 @show([20 x i32]* nocapture %0, i32 %1, i32 %2) {
%4 = icmp sgt i32 %1, 0
br i1 %4, label %5, label %22
5: ; preds = %3
%6 = icmp sgt i32 %2, 0
%7 = zext i32 %1 to i64
%8 = zext i32 %2 to i64
br label %9
9: ; preds = %5, %18
%10 = phi i64 [ 0, %5 ], [ %20, %18 ]
br i1 %6, label %11, label %18
11: ; preds = %9, %11
%12 = phi i64 [ %16, %11 ], [ 0, %9 ]
%13 = getelementptr inbounds [20 x i32], [20 x i32]* %0, i64 %10, i64 %12
%14 = load i32, i32* %13
%15 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %14)
%16 = add nuw nsw i64 %12, 1
%17 = icmp eq i64 %16, %8
br i1 %17, label %18, label %11
18: ; preds = %11, %9
%19 = tail call i32 @putchar(i32 10)
%20 = add nuw nsw i64 %10, 1
%21 = icmp eq i64 %20, %7
br i1 %21, label %22, label %9
22: ; preds = %18, %3
ret i32 undef
}