Let's improve this

BadCode.txt

	int i13;
	i13 = 0;
	for (;i13<3;)
	{
		int i14;
		i14 = 0;
		for (;i14<3;)
		{
			uvec3 v15;
			v15.x = 0u;
			v15.y = uint(i14);
			v15.z = uint(i13);
			uvec3 v16;
			v16.xyz = (gl_LocalInvocationID+v15);
			uint u17;
			u17 = MaskLDS.Inner[int(v16.z)].Inner[int(v16.y)].Inner[int(v16.x)];
			uint u18;
			u18 = (u17&1023u);
			uint u19;
			u19 = ((u18>0u))?(1u):(0u);
			uint u20;
			u20 = (u4|u19);
			u4 = u20;
			uint u21;
			u21 = ((u17>>10u)&4095u);
			uint u22;
			u22 = ((u21>0u))?(4u):(0u);
			uint u23;
			u23 = (u20|u22);
			u4 = u23;
			uint u24;
			u24 = ((u17>>22u)&1023u);
			uint u25;
			u25 = ((u24>0u))?(8u):(0u);
			u4 = (u23|u25);
			uvec3 v26;
			v26.x = 1u;
			v26.y = uint(i14);
			v26.z = uint(i13);
			uvec3 v27;
			v27.xyz = (gl_LocalInvocationID+v26);
			uint u28;
			u28 = MaskLDS.Inner[int(v27.z)].Inner[int(v27.y)].Inner[int(v27.x)];
			uint u29;
			u29 = (u28&1023u);
			uint u30;
			u30 = ((u29>0u))?(1u):(0u);
			uint u31;
			u31 = (u4|u30);
			u4 = u31;
			uint u32;
			u32 = ((u28>>10u)&4095u);
			uint u33;
			u33 = ((u32>0u))?(4u):(0u);
			uint u34;
			u34 = (u31|u33);
			u4 = u34;
			uint u35;
			u35 = ((u28>>22u)&1023u);
			uint u36;
			u36 = ((u35>0u))?(8u):(0u);
			u4 = (u34|u36);
			uvec3 v37;
			v37.x = 2u;
			v37.y = uint(i14);
			v37.z = uint(i13);
			uvec3 v38;
			v38.xyz = (gl_LocalInvocationID+v37);
			uint u39;
			u39 = MaskLDS.Inner[int(v38.z)].Inner[int(v38.y)].Inner[int(v38.x)];
			uint u40;
			u40 = (u39&1023u);
			uint u41;
			u41 = ((u40>0u))?(1u):(0u);
			uint u42;
			u42 = (u4|u41);
			u4 = u42;
			uint u43;
			u43 = ((u39>>10u)&4095u);
			uint u44;
			u44 = ((u43>0u))?(4u):(0u);
			uint u45;
			u45 = (u42|u44);
			u4 = u45;
			uint u46;
			u46 = ((u39>>22u)&1023u);
			uint u47;
			u47 = ((u46>0u))?(8u):(0u);
			u4 = (u45|u47);
			i14 = (i14+1);
		}
		i13 = (i13+1);
	}
	
	
SO MUCH BETTER:
	
	
	int i14;
	i14 = 0;
	for (;i14<3;)
	{
		uvec3 v15;
		v15.x = 0u;
		v15.y = 0u;
		v15.z = uint(i14);
		uvec3 v16;
		v16.xyz = (gl_LocalInvocationID+v15);
		u4 = (u4|MaskLDS.Inner[int(v16.z)].Inner[int(v16.y)].Inner[int(v16.x)]);
		uvec3 v17;
		v17.x = 1u;
		v17.y = 0u;
		v17.z = uint(i14);
		uvec3 v18;
		v18.xyz = (gl_LocalInvocationID+v17);
		u4 = (u4|MaskLDS.Inner[int(v18.z)].Inner[int(v18.y)].Inner[int(v18.x)]);
		uvec3 v19;
		v19.x = 2u;
		v19.y = 0u;
		v19.z = uint(i14);
		uvec3 v20;
		v20.xyz = (gl_LocalInvocationID+v19);
		u4 = (u4|MaskLDS.Inner[int(v20.z)].Inner[int(v20.y)].Inner[int(v20.x)]);
		uvec3 v21;
		v21.x = 0u;
		v21.y = 1u;
		v21.z = uint(i14);
		uvec3 v22;
		v22.xyz = (gl_LocalInvocationID+v21);
		u4 = (u4|MaskLDS.Inner[int(v22.z)].Inner[int(v22.y)].Inner[int(v22.x)]);
		uvec3 v23;
		v23.x = 1u;
		v23.y = 1u;
		v23.z = uint(i14);
		uvec3 v24;
		v24.xyz = (gl_LocalInvocationID+v23);
		u4 = (u4|MaskLDS.Inner[int(v24.z)].Inner[int(v24.y)].Inner[int(v24.x)]);
		uvec3 v25;
		v25.x = 2u;
		v25.y = 1u;
		v25.z = uint(i14);
		uvec3 v26;
		v26.xyz = (gl_LocalInvocationID+v25);
		u4 = (u4|MaskLDS.Inner[int(v26.z)].Inner[int(v26.y)].Inner[int(v26.x)]);
		uvec3 v27;
		v27.x = 0u;
		v27.y = 2u;
		v27.z = uint(i14);
		uvec3 v28;
		v28.xyz = (gl_LocalInvocationID+v27);
		u4 = (u4|MaskLDS.Inner[int(v28.z)].Inner[int(v28.y)].Inner[int(v28.x)]);
		uvec3 v29;
		v29.x = 1u;
		v29.y = 2u;
		v29.z = uint(i14);
		uvec3 v30;
		v30.xyz = (gl_LocalInvocationID+v29);
		u4 = (u4|MaskLDS.Inner[int(v30.z)].Inner[int(v30.y)].Inner[int(v30.x)]);
		uvec3 v31;
		v31.x = 2u;
		v31.y = 2u;
		v31.z = uint(i14);
		uvec3 v32;
		v32.xyz = (gl_LocalInvocationID+v31);
		u4 = (u4|MaskLDS.Inner[int(v32.z)].Inner[int(v32.y)].Inner[int(v32.x)]);
		i14 = (i14+1);
	}
	uint u33;
	u33 = (u4&1023u);
	uint u34;
	u34 = ((u33>0u))?(1u):(0u);
	uint u35;
	u35 = (u13|u34);
	uint u36;
	u36 = ((u4>>10u)&4095u);
	uint u37;
	u37 = ((u36>0u))?(4u):(0u);
	uint u38;
	u38 = (u35|u37);
	uint u39;
	u39 = ((u4>>22u)&1023u);
	uint u40;
	u40 = ((u39>0u))?(8u):(0u);
	uint u41;
	u41 = (u38|u40);