#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, int, double);
void test2(double **a, int n, int m) {
  int i, j;
  for (i = 0; i < n; i++) {
    for (j = 0; j < m; j++) {
      printf("%i %i\t %f\n", i, j, a[i][j]);
    }
  }
}


x86 assembly (clang, -O0):
<test2>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
mov    %edx,-0x10(%rbp)
movl   $0x0,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    1190 <test2+0x80>
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x10(%rbp),%eax
jge    117d <test2+0x6d>
mov    -0x14(%rbp),%esi
mov    -0x18(%rbp),%edx
mov    -0x8(%rbp),%rax
movslq -0x14(%rbp),%rcx
mov    (%rax,%rcx,8),%rax
movslq -0x18(%rbp),%rcx
movsd  (%rax,%rcx,8),%xmm0
lea    0xe96(%rip),%rdi
call   1030 <printf@plt>
mov    -0x18(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x18(%rbp)
jmp    113c <test2+0x2c>
jmp    1182 <test2+0x72>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1129 <test2+0x19>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<test2>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
mov    %edx,0x4(%rsp)
test   %esi,%esi
jle    1180 <test2+0x70>
mov    %rdi,%r12
mov    %esi,%r13d
mov    0x4(%rsp),%r14d
xor    %ebp,%ebp
lea    0xec9(%rip),%r15
jmp    1149 <test2+0x39>
nopl   0x0(%rax)
add    $0x1,%rbp
cmp    %r13,%rbp
je     1180 <test2+0x70>
cmpl   $0x0,0x4(%rsp)
jle    1140 <test2+0x30>
xor    %ebx,%ebx
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax)
mov    (%r12,%rbp,8),%rax
movsd  (%rax,%rbx,8),%xmm0
mov    %r15,%rdi
mov    %ebp,%esi
mov    %ebx,%edx
call   1030 <printf@plt>
add    $0x1,%rbx
cmp    %rbx,%r14
jne    1160 <test2+0x50>
jmp    1140 <test2+0x30>
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [11 x i8] c"%i %i\09 %f\0A\00"
define void @test2(double** %0, i32 %1, i32 %2) {
%4 = alloca double**
%5 = alloca i32
%6 = alloca i32
%7 = alloca i32
%8 = alloca i32
store double** %0, double*** %4
store i32 %1, i32* %5
store i32 %2, i32* %6
store i32 0, i32* %7
br label %9
9: ; preds = %35, %3
%10 = load i32, i32* %7
%11 = load i32, i32* %5
%12 = icmp slt i32 %10, %11
br i1 %12, label %13, label %38
13: ; preds = %9
store i32 0, i32* %8
br label %14
14: ; preds = %31, %13
%15 = load i32, i32* %8
%16 = load i32, i32* %6
%17 = icmp slt i32 %15, %16
br i1 %17, label %18, label %34
18: ; preds = %14
%19 = load i32, i32* %7
%20 = load i32, i32* %8
%21 = load double**, double*** %4
%22 = load i32, i32* %7
%23 = sext i32 %22 to i64
%24 = getelementptr inbounds double*, double** %21, i64 %23
%25 = load double*, double** %24
%26 = load i32, i32* %8
%27 = sext i32 %26 to i64
%28 = getelementptr inbounds double, double* %25, i64 %27
%29 = load double, double* %28
%30 = call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 %19, i32 %20, double %29)
br label %31
31: ; preds = %18
%32 = load i32, i32* %8
%33 = add nsw i32 %32, 1
store i32 %33, i32* %8
br label %14
34: ; preds = %14
br label %35
35: ; preds = %34
%36 = load i32, i32* %7
%37 = add nsw i32 %36, 1
store i32 %37, i32* %7
br label %9
38: ; preds = %9
ret void
}

LLVM IR (-O2):
@.str = [11 x i8] c"%i %i\09 %f\0A\00"
define void @test2(double** nocapture %0, i32 %1, i32 %2) {
%4 = icmp sgt i32 %1, 0
br i1 %4, label %5, label %26
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, %23
%10 = phi i64 [ 0, %5 ], [ %24, %23 ]
br i1 %6, label %11, label %23
11: ; preds = %9
%12 = getelementptr inbounds double*, double** %0, i64 %10
%13 = trunc i64 %10 to i32
br label %14
14: ; preds = %11, %14
%15 = phi i64 [ 0, %11 ], [ %21, %14 ]
%16 = load double*, double** %12
%17 = getelementptr inbounds double, double* %16, i64 %15
%18 = load double, double* %17
%19 = trunc i64 %15 to i32
%20 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 %13, i32 %19, double %18)
%21 = add nuw nsw i64 %15, 1
%22 = icmp eq i64 %21, %8
br i1 %22, label %23, label %14
23: ; preds = %14, %9
%24 = add nuw nsw i64 %10, 1
%25 = icmp eq i64 %24, %7
br i1 %25, label %26, label %9
26: ; preds = %23, %3
ret void
}